67 results about "Highway accident" patented technology

The invention relates to a system for enhancing vehicle driving safety on a highway. In the system, a GPS (Global Positioning System), a GPRS (General Packet Radio Service) system, a GIS (Geographic Information System) and other technologies are comprehensively utilized, the position and the speed of each vehicle on the whole highway can be precisely measured in real time, each vehicle can be made to learn the information of the vehicle per se and the information of surrounding relevant vehicles in real time, and proper measures can be taken when in necessity. The system is beneficial to not only great reduction of highway accidents but also great increase of highway trafficability in a severe weather.

The invention relates to a wireless monitoring management system and especially relates to a multifunctional highway monitoring management system based on a wireless communication technology. A purpose of the invention is to provide a multifunctional wireless highway monitoring management system. The system comprises: an overload monitoring device, a vehicle device, a relay station, a zigbee wireless data transmission network and an information management center. Based on a zigbee technology, a GIS technology, a frequency modulation radio technology, an interphone technology and a sensor technology, positioning, navigation, whole course speed monitoring, speed information voice prompting, safe vehicle distance voice prompting and road section notice voice prompting can be performed to a running vehicle on a highway. And road condition information can be published to the vehicle on the highway. Under a special situation, scheduling information is published so as to schedule the vehicle and communicate directly with a driver. Bidirectional communication of the driver and a management department can be realized. The system can be used in a highway management system. Effective supervision can be realized and a highway accident rate can be reduced.

The invention discloses a highway collision detecting system based on a wireless sensor network, which comprises a highway guardrail. The highway collision detecting system is characterized by mainly comprising an acoustical signal detection sensor, a signal processing and central controller, a wireless sensor network device, an electric energy device and a data sending device, wherein the acoustical signal detection sensor is arranged in the highway guardrail and transmits the collected sound transmitted in the highway guardrail into the signal processing and central controller by a wired or wireless way; the bidirectional signal transmission relation is adopted between the signal processing and central controller and the wireless sensor network device, and the electric energy device supplies the electric energy to the signal processing and central controller; and the bidirectional signal transmission relation is adopted between the data sending device and the signal processing and central controller. The highway collision detecting system adopts a principle which can realize the rapid alarming of highway accidents at a lower cost. The invention adopts an acoustical signal extraction and processing technique, greatly reduces the cost of the relevant devices compared with the video way and can transmit the data by the wireless sensor network with less acoustical data quantity and without the need of arranging light rays along the highway in the video way.

The invention discloses a highway accident monitor method and system based on ground-space collaborative sensing. The method comprises the steps that a ground-based sensing device acquires real-time speed and quantity of vehicles on a highway, the speed and quantity are calculated and processed into traffic volume and vehicle flow density, and analysis and processing help determine a potential accident road section; then data of the potential accident road section is transmitted to a monitor execution system according to analysis data acquired by the ground-based sensing device, and a nearestUAV is selected according to a UAV scheduling algorithm and sent to the site rapidly to confirm the accident; at the same time, the UAV stays and hovers at the accident road section so as to keep monitoring the situation on the site. Through adoption of the highway accident monitor method and system, advantages of high mobility and wide observation range of a space-based sensing device are fully utilized, desired data is relatively simple and is easy to obtain, real-time road conditions can be monitored rapidly, accurate point-to-point control is realized, the observation result is accurate, direct and clear, and processing efficiency of the traffic accident is improved greatly.

The invention discloses a vehicle-mounted highway accident early-warning device, and the device comprises a first wireless receiving and transmitting module which is used for receiving a gateway entrance code of a highway and an SIM card number of a GSM module of a highway traffic police monitoring center; a vehicle-mounted GPS module which is used for obtaining the position information of a vehicle; a vehicle-mounted GSM module which is used for communication with the highway traffic police monitoring center according to the SIM card number; a second wireless receiving and transmitting module which is used for transmitting position information and the gateway entrance code to surrounding vehicles during an accident, and receiving the position information and gateway entrance codes of other vehicles with an accident when there is no accident; and a controller which is connected with the first wireless receiving and transmitting module, the vehicle-mounted GPS module, the vehicle-mounted GSM module and the second wireless receiving and transmitting module, and transmits the gateway entrance code and position information to the highway traffic police monitoring center through the vehicle-mounted GSM module during the accident. The device achieves the detection and early warning of a highway traffic accident, and effectively prevents a secondary accident.

The invention discloses an expressway early warning response system and its operation method, which includes a fault vehicle user terminal, an operation management platform, an early warning system, a management user terminal, and an operation management platform. The platform sends vehicle fault information, the location of the faulty vehicle, and the driving direction of the vehicle, and receives the information sent by the operation management platform; the management user terminal is used to send the vehicle fault information, vehicle driving direction, and the location of the faulty vehicle to the operation management platform, and receives the information sent by the operation management platform. The information sent by the platform; the operation management platform is used to display the geographical information of the expressway and the real-time location information of the faulty vehicle, respectively receive and respond to the information sent by the faulty vehicle user terminal and the management user terminal, and send the faulty vehicle user terminal, Manage user terminals to send information. The invention can effectively reduce highway traffic accidents and effectively improve the running speed of emergency vehicles on the highway.

The invention discloses a personnel protection lifting column for highway accident handling and a using method thereof. The lifting column comprises a mounting box. A mounting cavity is arranged inside the mounting box, a moving plate is arranged in the mounting cavity, and the upper end of the moving plate is fixedly connected with a guard rail. The outer side wall of the guard rail is provided with a reflective strip, and the opposite side walls in the mounting cavity are provided with limiting slots. A second fixed block is fixed on the opposite side walls in each limit slot respectively, and a limiting rod is fixed between every two fixed blocks. Two ends of the moving plate respectively sleeve the two limiting rods, and the moving plate and the limiting rod are in sliding connection.The lifting column is convenient to move and can be used at different positions. The use efficiency is improved. The lifting is adjusted electrically through a servo motor, the time is saved, and therescue efficiency is ensured.

The invention discloses an intelligent traffic cone for expressway accident scene emergency disposal and an arrangement method thereof. The intelligent traffic cone comprises a control platform and aplurality of conical barrels, wherein each conical barrel is internally provided with a mounting plate, and at least three auxiliary wheels are arranged at the bottom of each conical barrel; a steering motor, a communication module and a GPS positioning module are mounted on the mounting plate; an output shaft of the steering motor faces downwards and is connected with a steering column, the lowerend of the steering column is connected with a fork frame, a steering wheel is arranged in the fork frame, and the steering wheel is connected with a driving component. The intelligent traffic cone can be controlled to be automatically arranged, the secondary accident risk caused in the process of manually arranging the traffic cone is avoided, the working efficiency is high, the potential safetyhazard is low, and an accident road section can be effectively isolated.

Provided is an iris recognition technology based highway toll collection system. According to the technical scheme, an iris recognition technology is utilized, a trigger input device records and recognizes a specific personal iris and then performs analysis through an integrated circuit microprocessor, and the microprocessor and a vehicle tool collection sensor is connected with an alternating-current power supply to ensure continuous power supply of the system. When a vehicle passes through a toll collection point, the integrated circuit microprocessor is connected with the vehicle tool collection sensor and the trigger input device and accordingly automatically records passing information of the vehicles and performs charging operation. By means of the iris recognition technology based highway toll collection system, the toll collection efficiency can be improved, and what's more important is that personal injury of toll collection persons in toll stations serving as occurred frequently points of highway accidents is effectively decreased.

The invention discloses an expressway anti-rear collision warning device, which includes brackets connected with high-speed guardrails, the interval between each bracket is 100-300 meters, and an electronic display screen showing front accident warning information is fixed on the brackets. Each electronic display screen is provided with a control switch, and the control switch on each electronic display screen is not only used to control the corresponding display screen, but also connected by wires to at least control an adjacent electronic display screen at the rear of the driving direction, so that when the vehicle breaks down Or after parking in an accident, turn on the control switch of an electronic display screen at the rear of the driving direction, then one or more adjacent electronic display screens at the rear of the vehicle will also be turned on and illuminated at the same time, and each electronic display screen will display the distance from far to near. The different distances of the vehicles in front of the accident can better warn the vehicles behind, and greatly reduce the occurrence of multi-vehicle rear-end collision accidents on the expressway.

The invention discloses an expressway accident rapid detection and early warning system and method. The detection system comprises an upper computer and a plurality of short-time traffic flow acquisition devices arranged along an expressway at intervals; the short-time traffic flow acquisition devices are used for acquiring short-time traffic flow data of corresponding detection points and wirelessly transmitting the short-time traffic flow data to the upper computer according to a preset time interval; and the upper computer takes a preset continuous number of short-time traffic flow acquisition devices as an identification unit, divides a detection road section into a plurality of detection intervals, and judges whether an accident congestion event occurs or not according to the change state of the short-time traffic flow data acquired by each short-time traffic flow acquisition device in each detection interval. Accidents can be rapidly detected and pre-warned in 24 hours, the system is not limited by weather, illumination, power supply, high-speed flow and other conditions, front-end equipment for detection and pre-warning and the like is quite low in price, and the system is suitable for large-scale installation.

A steel structure guardrail type folding highway access road with an emergency evacuation function comprises an access road main body, a vertical rotating shaft outrigger, foldable outriggers and slope extending plates, wherein the vertical rotating shaft outrigger is positioned at the middle part of the access road main body; the foldable outriggers are hinged under the two ends of a guardrail cross frame; slope extending plates are hinged at two ends of the access road main body; the slope extending plates are positioned at the upper part of the access road main body after being folded and obliquely extend downwards at the end parts of the access road main body to form slopes after being unfolded; the upper part of the access road main body is a steel structure panel; two sliding rods, which are parallel to a length direction of the access road main body, are respectively arranged in positions under the steel structure panel and close to the two side edges of the steel structure panel; slope climbing plate devices are mounted on the sliding rods; the widths of the slope climbing plate devices are larger than or equal to that of a lane; and after the upper ends of the retracted slope climbing plate devices rotate around the sliding rods, the slope climbing plate devices can be accommodated under the access road main body. When traffic jams are caused due to highway accidents, the access road can be unfolded in time to rapidly evacuate traffic jams and open traffic jam knots.

The invention discloses an expressway fire extinguishing system based on comprehensive information platform data analysis. The expressway fire extinguishing system is mainly used for prevention of secondary accidents of expressway accident-prone locations and rapid emergency treatment of traffic accidents, and comprises a wireless alarm module, a fire-fighting module, a secondary accident prevention module and a rescue module which are in wireless connection with a comprehensive information platform. The expressway fire extinguishing system can perform automatic early warning and manual alarmon a place where highway accidents happen frequently, and the background comprehensive information platform controls the wireless alarm module, the fire-fighting module, the secondary accident prevention module and the rescue module, so that secondary accidents are reduced, people and vehicles with accidents are rescued in time, and casualties which cannot be rescued in time are reduced.

The invention discloses an expressway vehicle real-time management and control method based on edge calculation. The problems that in the prior art, after an expressway accident or congestion occurs, an induction information issuing path is incomplete, and the traffic dredging efficiency is low are solved. The method comprises the following steps: S1, an expressway vehicle real-time management and control system is constructed, and a group of management and control units is arranged on an expressway at rated intervals; S2, the management and control unit monitors the vehicle running speeds of different section areas of the expressway in real time, judges the road traffic states of the different section areas, and obtains a suggested vehicle speed through edge calculation; and S3, each group of management and control units correspondingly publish suggested vehicle speeds of different lanes above the expressway. The suggested vehicle speed is calculated by monitoring different section areas in real time, the suggested vehicle speed is displayed on different lanes above the expressway, speed change and lane change are guided through communication with vehicles, and the induction information issuing approach is perfected.

The invention discloses a vehicle hoisting method for highway traffic accidents. The vehicle hoisting method for the highway traffic accidents is characterized by comprising the following steps that a, vehicle hoisting devices are designed, and each vehicle hoisting device comprises hoisting trolleys and two tension devices, wherein the front end and the rear end of a supporting wheel fixing shaftare rotationally provided with supporting wheels in a cooperation manner, a hoisting air bag is arranged below a tire hoisting plate, a set of connection holes are evenly distributed in a strip-shaped connection block in the length direction, and one connection hole is arranged on the end of a supporting wheel fixing shaft of the other hoisting trolley in a sleeving manner; b, the vehicle hoisting devices designed in the step a are arranged at positions of all tires, the two hoisting vehicles of each vehicle hoisting device are symmetrically arranged on the two sides of the corresponding tire; and c, air pipes of all the vehicle hoisting devices communicate with an air outlet of the same air compressor, and the air compressor is started. The vehicle hoisting devices adopted in the vehiclehoisting method can direct hoist the tires, hoisting is convenient and rapid, and labor is saved.

The invention provides a personnel safety evacuation area with a night warning function based on highway accidents, relates to the technical field of highway night warning, and solves the problems that when a vehicle driver has an accident on the highway at night, other vehicle drivers cannot observe the accident area remotely due to poor visual field at night, and it is extremely easy to cause secondary accidents. The personnel safety evacuation area with a night warning function based on highway accidents comprises a fixing mechanism, wherein a reciprocating sliding mechanism is installed atthe rear end of the fixing mechanism in a sliding mode. Brightness activation operation is carried out on the rotated and adjusted rotary warning mechanisms in multiple sets of devices in adjacent accident areas, a safe evacuation area can be formed, it is guaranteed that other vehicle drivers can observe the area remotely and conveniently, so that the drivers are away from the area remotely, secondary accidents are avoided, and the safety of the vehicle drivers in the current area is also guaranteed.

The invention relates to a highway accident monitoring and prompting method, and belongs to the technical field of highway safety. A sector lane division method and a video vehicle detector speed measuring method are used, and intelligent monitoring and prompting are carried out on highway traffic accidents with the aid of the relationship among an average vehicle running speed, the maximum vehicle running speed threshold and the minimum vehicle running speed threshold; if it is monitored that a to-be-dangerous sector or a dangerous sector exists, warning information is displayed in a front-sequence sector prompt screen of the section so as to remind a rear vehicle, and road section information is sent to the traffic management department for handling dangerous accidents. Compared with theprior art, highway accident monitoring system achieves visual, systematic and intelligent highway accident monitoring, and the management level of a highway can be fundamentally improved.

The invention discloses a highway accident frequency prediction method considering time-varying features of risk factors. The method comprises the steps of 1, collecting and processing historical traffic accident data and related risk factor data; 2, establishing a Logistic regression model; 3, calculating a classification threshold value of the Logistic model by adopting a Youden index method; 4, on the basis of the Logistic model and the historical accident data, calculating a positive predictive value and a negative predictive value of the model; and 5, performing accident frequency prediction by using the positive prediction value and the negative prediction value obtained by calculation. The accident frequency prediction method can overcome the problem that a traditional accident frequency model cannot reflect the influence of the time-varying features of the risk factors on the accident, and facilitates the improvement of the prediction precision of the accident frequency prediction method.

The invention relates to the technical field of road administration guardrails and discloses a warning and reminding guardrail for highway accidents based on an object inertia principle. A base is included. A positioning block is arranged on a lower portion of a vertical rod, a metal block is arranged on a right side of the middle of the vertical rod, a coil corresponding to the wire is arranged on the outer side of the lower end of the vertical rod, a connecting rod is connected to the lower end of the connecting block, a disc is connected to the lower end of the connecting rod, the lower endof a rubber sleeve is connected with a magnet ring and an arc-shaped metal sheet corresponding to the metal block is connected to the left end of the arc-shaped block. A distance of a vibration source is increased; a total moving distance of the rubber sleeve on the vertical rod is reduced; therefore, contact positions of each arc-shaped metal sheet and the metal block are different; the contactpositions of the arc-shaped metal sheet and the metal block are different, and lighting degrees of warning lamps on a lamp holder are different so that a driver is reminded of an accident occurrence distance; and the structure solves a problem that an existing road administration guardrail is single in function and cannot remind the accident occurrence distance.

A highway accident early-warning structure comprises a display box and is characterized in that a solar cell panel is mounted on the display box, a display module is mounted in the display box, a power supply line group is also connected between the display module and the solar cell panel, an ejection rod is mounted at the top of the display module, a scissors connecting rod is connected with theejection rod, and a fixing block is also mounted at the bottom of the display box. The structure has the benefits as follows: by the aid of reasonable structural design, the structure can give effective early warning after an accident occurs to remind vehicles behind to pay attention, and secondary accidents can be avoided effectively.

The invention discloses a road outburst accident influence factor identification method based on negative binomial regression. The method comprises the steps that a sliding window method is adopted to carry out road section analysis unit division on a road in a to-be-analyzed operation period; performing data extraction by taking the divided road section analysis units as units, and extracting a linear index variable and a traffic volume of each road section analysis unit; selecting a linear index variable and a traffic volume of the road section analysis unit as initial accident influence factors; assuming that all line shape condition index items corresponding to the road section analysis units to be analyzed are ideal line shape conditions, namely assigning null value items according to line shape index values under the ideal line shape conditions; and on the basis of the determined initial accident influence factor, analyzing the initial accident influence factor based on negative binomial distribution regression, and identifying the prominent accident influence factor of the road section to be analyzed from the initial accident influence factor. According to the invention, simple and rapid identification of accident-prone points of the high-grade highway is realized, and important guarantee is provided for safe operation management of the high-grade highway.

The invention discloses a highway accident road section early warning method and system based on big data, and the method comprises the steps: vehicle monitoring equipment obtains vehicle information in real time through a Beidou satellite positioning module, and transmits the vehicle information to a management server; in the management server, the vehicle information is monitored, and when the vehicle information shows that the residence time is long, the vehicle is set as a target vehicle, and a warning signal is sent out; according to the position information of the target vehicle, defining a road section behind the target vehicle as an accident road section; and the vehicle in the accident road section is retrieved from the big data database, and a warning prompt is sent to the vehicle monitoring equipment of the vehicle to warn the road section ahead that the accident needs to be noticed. According to the invention, the highway section where an accident occurs can be rapidly detected, a warning effect on rear vehicles is achieved, the rear vehicles are accurately determined, early warning prompt information is accurately pushed, and the occurrence of a secondary accident is avoided; the monitoring is complete, the problem of monitoring omission can be avoided, implementation is convenient, and engineering implementation cost is reduced.

The invention provides a traffic signal control method suitable for highway accident handling, which is based on a portable traffic signal control system, and the control system comprises a signal lamp module, an LED screen, a camera, a voice module, a controller and a telescopic device. The traffic signal control method comprises the following steps of: determining a position of the control system; setting a temporary stop line; inputting road condition parameters, display content and broadcast content into the controller; and enabling the controller to process the road condition parameters to obtain a phase sequence instruction, sending the phase sequence instruction, the display content and the broadcast content to the signal lamp module, the LED screen and the voice module respectively, and starting the camera to record field data by means of the controller. According to the traffic signal control method provided by the invention, the current situation that no traffic control exists in the accident scene at present is changed, and the traffic dispersion efficiency of the highway accident scene is improved.