73results about How to "Reduce secondary accidents" patented technology

The invention discloses a mobile triangular warning sign for a vehicle. The device can be used for a vehicle failure or an emergency. When a triangular warning sign needs to be placed, it can be automatically placed at a safe distance to be placed. After the accident is resolved, it can be placed by Remote control or mobile phone control automatically returns to the vicinity of the car. The device is to place the triangular warning sign on the mobile folding car. The folding car is powered by batteries and controlled by buttons, remote control or mobile phone. The control circuit realizes the distance and direction control by controlling the two deceleration DC motors on the mobile car. Complete the automatic placement and recovery of the triangle warning sign. After use, the universal wheels and bracket can be retracted under the base of the trolley together, and the triangular warning sign can be retracted manually. The folded triangular mobile warning sign is only a little larger than the base of the mobile trolley, which is convenient for storage.

The embodiment of the invention provides a variable message sign (VMS) application system, an electronic navigation method and a device thereof. The electronic navigation method comprises the following steps of: acquiring VMS information and an identification number of a VMS, wherein the VMS information comprises VMS dynamic information content and a VMS lane information classification code; according to the identification number of the VMS and the VMS information classification code, matching and searching a corresponding traffic regulation identification number; according to the traffic regulation identification number, matching and searching corresponding traffic regulation information; and carrying out navigation application according to the traffic regulation information. According to the embodiment of the invention, dynamic road information can be obtained by the electronic navigation device in real time, thus driving is guided by the electronic navigation device more effectively.

The invention provides an active prevention and control method for highway traffic accident site risk. The method can give an alarm in advance, prevent vehicles from intruding into an accident site, give a more targeted warning method, and greatly reduce the occurrence probability of secondary accidents. According to the technical scheme of the invention, the method comprises the following steps: predicating the risk of a secondary accident in an accident scene based on the traffic flow risk pre-judgment model; calculating to obtain a threshold value corresponding to the traffic flow characteristic element data through historical traffic data of the traffic flow of the road section where the accident scene is located, and training a traffic flow risk pre-judgment model through the threshold value corresponding to the traffic flow characteristic element data; acquiring environment element data and traffic flow characteristic element data of an accident scene, and inputting the data into a trained traffic flow risk pre-judgment model for risk pre-judgment; implementing different early warning measures according to different risk levels, and generating the method on a more targeted warning method. Meanwhile, the invention further discloses an active prevention and control system for the highway traffic accident site risk.

The invention relates to the technical field of storage batteries, in particular to a novel battery management system for an electric vehicle, including an external power access module, a controllableswitch, a voltage acquisition module, a current acquisition module, a temperature management system, a plurality of sub-energy storage platforms and an MCU, wherein the plurality of sub-energy storage platforms are connected in series to each other to form an energy storage platform; the voltage acquisition module collects the voltage at two ends of the energy storage platform and is connected with the MCU; the current acquisition module collects the current flowing through the energy storage platform and is connected with the MCU; and the temperature management system regulates the temperature of the energy storage platform. The novel battery management system for an electric vehicle has the advantages that the sub-energy storage platforms are arranged to constitute an energy storage platform of the battery, so that the battery can be conveniently expanded or modified into a battery pack of other voltages, the charging voltage of the battery core is monitored and balanced by a balancing module and a sampling module, to prolong the service life of the battery core, and the safety management unit is used for cutting off the power supply in an emergency, thereby avoiding or reducingthe occurrence of secondary accidents.

The invention provides a system and a method for preventing a secondary accident of a vehicle in a highway tunnel. The system comprises an accident detecting device, a vehicle detecting device, a reminding device, an active intervention device and a central processor. The accident detecting device is arranged in the tunnel and is used for detecting whether an accident occurs in the tunnel. The active intervention device is arranged in front of the inlet of the tunnel. The vehicle detecting device is arranged in front of the active intervention device and is used for determining whether a vehicle is going to drive into the tunnel. The central processor, the accident detecting device, the vehicle detecting device, the reminding device and the active intervention device perform mutual communication. When the accident occurs in the tunnel and the vehicle is going to drive into the tunnel, the central processor make the active intervention device and the reminding device operate. When an accident occurs in the tunnel, the active intervention device performs compulsory speed reduction on the vehicle which is going to drive into the tunnel, thereby facilitating reminding information acquisition by the driver and effectively reducing the secondary accident in the tunnel.

The invention relates to a sensor for using impact to break circuit, wherein it comprises impact strength sensor, signal transmission amplifier, and executer; said sensor is connected to the amplifier connected to executer; said sensor can cut circuit instantly when the vehicle is impacted, to avoid electric splash.

The present invention provides a vehicle obstruction prompting device and a vehicle obstruction prompting system and belongs to the traffic safety technical field. The vehicle obstruction prompting device comprises a laser beam host machine; the laser beam host machine comprises at least two sets of laser arrays which are respectively mounted at two sides of a tunnel, wherein each set of laser array comprises a plurality of laser light sources; and the laser arrays at the two sides of the tunnel are arranged oppositely, so that laser beams emitted by the plurality of laser light sources at the two sides of the tunnel can form an obstructing light net. According to the vehicle obstruction prompting device and the vehicle obstruction prompting system of the invention, the obstructing light network is adopted to prompt a driver that a traffic accident occurs ahead, and the prompting mode has the intuitionistic feature of physical obstruction, while does not have the security hidden risk of physical obstruction, and thus, a warning effect can be improved, and the occurrence of secondary accidents and continuous accidents can be reduced.

The invention discloses a community gas security linkage method, comprising the steps that a central control platform monitors N integrated sensors and M gas valve control terminals in a target community, and updating and making statistics on integrated information of the N integrated sensors and the M gas valve control terminals, wherein the integrated information comprises: equipment operation information, sensor data information and equipment location information, and N and M are integers greater than zero; and the central control platform monitors a gas safety event, and instructs the gasvalve control terminal in a corresponding monitored area to close a corresponding gas on-off valve if finding the gas safety event. The community gas security linkage method can be used for monitoringthe gas situation in real time, and remotely controlling the opening or closing of the gas valve, thereby achieving a certain danger prevention effect, and enabling relevant departments to monitor the gas situations of multiple users, so the method is worth popularizing and using.

The invention discloses a method for early warning of secondary accidents on highways based on big data, which is realized in the following manner: early warning devices are arranged at intervals on highway guardrails, and when an accident occurs, the early warning devices at accident points near the accident site are triggered, and the early warning devices at accident points The location information of the accident site is sent to the monitoring center, and the early warning device at the accident point triggers the adjacent early warning device. Taking the early warning device at the accident point as the starting point, the closer the distance to the starting point, the stronger the early warning signal of the adjacent early warning device. The invention has the advantages of timely discovery of the accident scene, long distance and short time-consuming setting of the early warning device, various setting methods of the early warning device, accurate and timely early warning and cancellation of early warning, higher early warning efficiency and better effect, and can effectively reduce the occurrence of secondary accidents. Possibility of beneficial effects.

The invention relates to the technical field of intelligent transportation, in particular to an intelligent walking warning board for expressway accident early warning and self-help seeking. The intelligent walking warning board comprises a motion information acquisition chip, an intelligent tracing module, a GPS positioning module, a singlechip CPU control module, a SIM information transmission module, a camera, a WIFI network transmission module and a wireless remote control device. An intelligent walking warning board device with the functions of intelligent tracing, independent positioning, video transmission, information transmission, wireless recovery and the like is designed from the two angles of expressway accident early warning and emergency rescue by utilizing the technologies of singlechip development, GPS positioning, vehicle movement information acquisition, communication, wireless retraction and the like, early warning and timely rescue after expressway accidents are realized, the defects of danger in the placing process, unobvious warning effect, inability to timely asking for help and the like of a traditional triangular warning board are overcome, and the creativity is high.

The invention belongs to the technical field of road surface monitoring, and particularly relates to an air rail remote control intelligent patrol system which comprises a patrol system. The patrol system is used for patrolling the driving state of the expressway pavement. The patrol system comprises a patrol device, an image acquisition module, a warning module, a sound amplification module, a communication module, a central processing unit and a storage module. In the present invention, a plurality of groups of high-definition cameras in the image acquisition module are used for carrying outimage acquisition on the driving conditions of the expressway pavement and the vehicle; a plurality of groups of high-definition cameras can be used for collecting images at a plurality of angles inthe same area; the image acquisition module transmits a plurality of groups of images acquired at the same moment to the central processing unit; when a hidden danger exists in vehicle driving, a display screen in the warning module displays a red mark to remind a driver, voice broadcasting is conducted on a vehicle through a loudspeaker in the sound amplifying module, the driver is reminded to standardize driving behaviors in time, and the safety coefficient of vehicle driving is improved.

The invention provides a control system and method for preventing automobile secondary accidents in expressway tunnels. The system comprises an accident detection device, a vehicle detection device, aprompting device, a prevention device, a reset detection device and a central processing unit, wherein the accident detection device is arranged in a tunnel and used for detecting whether an accidentoccurs in the tunnel or not; the prevention device is arranged in front of a tunnel entrance, the vehicle detection device is arranged in front of the prevention device and used for judging whether avehicle is to be driven into the tunnel, and the reset detection device is used for judging whether the prevention device is in an idle state or not; and the central processing unit communicates withthe accident detection device, the vehicle detection device, the prompting device, the reset detection device and the prevention device to judge whether an accident occurs in the tunnel, if yes, theprevention device and the prompting device are controlled to work, and when an accident occurs in the tunnel, the prevention device is used for forcibly lowering the speed of the vehicle to be driveninto the tunnel so that a driver can obtain the prompt information conveniently, and secondary accidents in the tunnel can be effectively reduced.

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 emergency response system matched with a traffic signal lamp, and relates to the technical field of traffic emergency reaction equipment. The emergency response system comprises a bottom plate, a control unit and a warning device, wherein the bottom of the warning device is fixed to the top of the bottom plate, the warning device comprises a box body, the bottom of the box body is fixed to the top of the bottom plate, and the output end of the control unit is connected with the input end of the warning device. The emergency response system matched with the traffic signal lamp and a controlling method thereof can quickly block a road, a vehicle is prevented from driving into the road, when a traffic accident occurs, the traffic accidents can be found in time, theaccident types can be determined, and corresponding traffic flow guiding schemes can be formulated for related departments, the traffic jam condition at the occurrence position of the traffic accidentcan be reduced, the transport efficiency and the traffic capacity of an expressway are improved, an ambulance or a disaster relief vehicle can effectively reach the accident site fast and safely, andthe secondary accidents caused by the current accident is reduced.

The invention provides a safe traffic partition fence, which comprises vertical handrails in equal-distance arrangement along a road, wherein the upper and lower sides of the vertical handrails are transversely connected through an upper base and a lower base which respectively extend along the road, the outer surfaces of the vertical handrails are mirror surfaces, in addition, the outer peripheral line of the cross section of each vertical handrail is a peripheral closed sawtooth line, the sawtooth opening on each sawtooth line is in a shape of a right angle, and in addition, the sawtooth openings are uniformly distributed in the circumferential direction. The traffic partition fence has the advantages that the phenomenon of free use of high beam lamps can be effectively inhibited, and the traffic safety is improved.

The invention provides a fluorescent structure, an optical device, a warning device and a control method of the warning device, and relates to the technical field of optical elements. The fluorescentstructure comprises a fluorescent layer comprising a plurality of fluorescent grooves, wherein the plurality of fluorescent grooves penetrate through the fluorescent layer along the stacking directionof the fluorescent layer; and a reflecting layer which is overlapped with the fluorescent layer, wherein the reflecting layer is used for conducting light reflection operation based on the fluorescent grooves. According to the invention, the fluorescence excitation effect can be optimized, the warning capability can be enhanced, and the reflection effect can be enhanced. Particularly, when the fluorescent structure provided by the invention is applied to triangular warning boards, road cones and the like for traffic warning, the warning effect on drivers and passengers is further improved, and the probability of secondary accidents is further reduced. Especially in foggy days, sand and dust and other particle climate astronomical phenomena, an existing triangular warning board is extremely poor in yellow light reflection effect, and the triangular warning board adopting the fluorescent structure provided by the invention has no influence on the yellow light reflection effect.

The invention discloses an alarm lamp indicating board. The indicating board comprises an installing frame, a groove is formed in one side wall of the installing frame, and rotary shafts are rotatablyinstalled on the inner walls of the two sides of the groove; a first indicating board is fixed between the two rotary shafts, a second indicating board is slidably installed on the first indicating board, and an alarm lamp is installed on the top of one side wall of the second indicating board; a transverse rod is welded to one side wall of the first indicating board, a storing box is fixed between the inner walls of the two sides of the installing frame, and the storing box is of a cuboid structure with an opening formed in the top; an electric telescopic rod is hinged to one side wall of the storing box, one end of the electric telescopic rod is hinged with the transverse rod, a host, a horn and a power supply device are installed in the storing box, and anti-collision inner layer is arranged on the outer portion of the installing frame. The structure is simple, the design is novel, the anti-collision capacity of the whole alarm lamp indicating board is effectively improved, the possibility of the occurrence of secondary accidents is reduced, the indicating board can be conveniently carried and replaced, the adaptability is high, and the alarm lamp indicating board is worthy ofpopularization.