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37results about How to "Avoid Secondary Traffic Accidents" patented technology

Warning system for preventing secondary traffic accident on highways

The invention discloses a warning system for preventing a secondary traffic accident on highways. The warning system comprises a plurality of warning units and a host computer, wherein the warning units are distributed on a highway needing to be warned from front to back in the driving direction, the host computer is used for starting all the warning units behind the traffic accident occurrence site, and all the warning units are controlled by the host computer which is positioned on a remote monitoring center. Each warning unit is composed of a warning device, a trigger start device for starting the warning unit and a power supply device for supplying power for the warning device and the trigger start device. Each trigger start device is composed of a monitoring device for real-time monitoring whether traffic accident happens within the section of highway needing to be warned and a controller for analyzing monitoring results and controlling the warning device, and the controller is connected with the host computer. The warning system for preventing the secondary traffic accident on highways has the advantages that design is reasonable, installment and layout are convenient, operation is easy, use effect is good, and secondary traffic accident rate on highways are decreased effectively.
Owner:CHANGAN UNIV

Traffic accident site rapid mapping system based on image guiding

A traffic accident site rapid mapping system based on image guiding comprises a homography matrix solution module, a space coordinate transformation module, a re-sampling module, a mapping and marking module and a file preserving and printing module. The homography matrix solution module builds a mapping relationship between a traffic accident site picture image plane and an actual road plane according to the two-dimensional direct linear transformation method, the space coordinate transformation module restores the position information of a traffic site picture in object space according to the homography matrix and scales the range of the traffic accident site to the size range of the original traffic accident site picture, the re-sampling module restores gray information of the traffic accident site picture in object space and achieves transformation from a perspective picture to an orthographic projection picture of the traffic accident site picture, the mapping and marking module achieves direct mapping and relevant size marking of the traffic accident site information on the orthographic projection picture, and the file preserving and printing module achieves functions of preservation and site printout of the traffic accident site picture. By means of the traffic accident site rapid mapping system, the accuracy of traffic accident site survey is improved, the on-site data processing and mapping time is saved, and the requirement of site picture printout on the traffic accident site is further satisfied.
Owner:SHANGHAI JIAO TONG UNIV SUBEI RES INST

Driving guiding early-warning system in adverse weather for preventing second traffic accident

The invention discloses a driving guiding early-warning system in an adverse weather for preventing a second traffic accident. A microcontrol processor makes a wireless signal with a specific frequency to vehicles in a certain range and simultaneously starts a sound-and-light alarm device outside the vehicle, thereby reminding prevention of the second traffic accident, and preventing an accident damage deteriorating effect. On the adverse conditions such as rain, snow, mist, haze and sand, road visibility information or road control information is received through an automatic receiving and transmitting system, wherein the road visibility information or road control information is transmitted by a road management department or a police traffic management department through a fixed or portable early-warning information device, thereby reminding a local driver of keeping the safe vehicle distance and vehicle speed, and transmitting vehicle speed and lane information to subsequent vehicles in the same direction. The subsequent vehicles in the same direction use the information as a guidance, and the information is passed for guiding the vehicle to keep a safe vehicle distance in a safe vehicle speed, thereby realizing ordered passing and preventing accidents.
Owner:李昕

Real-time map updating system and method based on trust management, and Internet-of-vehicles terminal

The invention belongs to the technical field of real-time map updating, and discloses a real-time map updating system and method based on trust management and an Internet-of-vehicles terminal. A vehicle is registered in a law enforcement agency, and identity information is reserved in the law enforcement agency; the vehicle sends a request for updating the own public key to a law enforcement agency; road condition information is collected, and a vehicle accurately uploads surrounding road conditions to fog nodes to improve trust values; meanwhile, the fog node needs to carry out identity verification on the vehicle before receiving the message from the vehicle; the fog node verifies the road condition information uploaded by the vehicle by using a Bayesian inference model, and sends the road condition information to a real-time map updating server according to a verification result; the fog node generates a corresponding rating for each message source vehicle, so that the timeliness and the accuracy of map updating are realized; when the trust value of the vehicle is lower than the preset threshold value, the vehicle cannot continue to enjoy the service provided by real-time map updating, and Sybil attacks are avoided.
Owner:XIAN UNIV OF POSTS & TELECOMM

Traffic warning method, device and system based on front-projected holographic display

The invention discloses a traffic warning method based on front-projected holographic display. The traffic warning method includes the following steps: receiving traffic accident warning information;acquiring the location information of the accident site and determining a holographic image projection device closest to the accident site according to the location information; and making the holographic image projection device closest to the accident site project corresponding traffic warning information at a set position of the road. The traffic warning method based on front-projected holographic display disclosed by the invention can reduce the probability of secondary traffic accidents. In addition, the invention discloses a traffic warning device and system based on front-projected holographic display.
Owner:SHENZHEN IKMAK TECH CO LTD

Wireless controllable movable warning board system

The invention discloses a wireless controllable movable warning board system. The wireless controllable movable warning board system comprises a vehicle-mounted controller or mobile phone used for controlling a movable warning board to walk. The vehicle-mounted controller comprises a microprocessor, a first Bluetooth end set is arranged on the microprocessor, the microprocessor is connected with a first Bluetooth module through the first Bluetooth end set, a voice recognition end set is arranged on the microprocessor, and the microprocessor is connected with a voice recognition module through the voice recognition end set; the microprocessor is provided with a GPS end set and connected with a GPS module through the GPS end set; the microprocessor is provided with a GSM end set and connected with a GSM module through a GSM module. The movable warning board comprises a trolley, and a warning mark is arranged on the trolley. According to the wireless controllable movable warning board system, the movable warning board can be controlled through the vehicle-mounted controller or the mobile phone, and rear-end collision traffic accidents are avoided.
Owner:CHONGQING UNIV

Method and system for preventing secondary traffic accidents on highway

The invention provides a method and a system for preventing secondary traffic accidents on a highway. The method comprises steps as follows: acquiring and comparing driving speeds of two front and rear adjacent motor vehicles on the same lane of the highway, calculating the distance value between the two vehicles when the driving speed of the rear vehicle is larger than that of the front vehicle,calculating the safe distance value between the two vehicles according to the driving speeds of the two vehicles, performing comparison to judge whether the distance value is smaller than the safe distance value, further judging whether the distance between the two vehicles is reduced to 0 if the distance value is smaller than the safe distance value, determining that rear-end collision happens totwo vehicles if the distance between the two vehicles is reduced to 0, generating a pre-warning message, acquiring a display device corresponding to the position where rear-end collision happens, andsending the pre-warning message to the display device for display. Early warning is realized when traffic accidents happen on a traffic accident frequent occurrence road section, safe travel of driving vehicles on the road section is guaranteed, secondary traffic accidents are avoided, a traffic management department is assisted in timely finding traffic accident information, and the accident handling efficiency of the traffic management department is improved.
Owner:ANHUI KELI INFORMATION IND +1

Flexible guardrail and rubber sponge body composition and production technology applied to flexible guardrail

The invention relates to a flexible guardrail and a rubber sponge body composition and production technology applied to the flexible guardrail. The flexible guardrail is characterized by comprising acolumn, a PVC sleeve which is dynamically matched with the column sleeves the outer wall of the column, and the outer wall of the PVC sleeve is wrapped by a rubber sponge body; the rubber sponge bodyis statically matched with the outer wall of the PVC sleeve, and an air flow guide device is arranged in the rubber sponge body. The rubber sponge body composition is characterized in that the rubbersponge body is prepared from rubber, padding, zinc oxide, stearic acid, softener, an anti-aging agent, sulfur, an accelerant, an ultraviolet-proof special addition agent and a foaming agent; the production technology of the rubber sponge body comprises the steps of material mixing, material extrusion, forming at the initial stage, processing at the middle stage and assembly at the later stage; theflexible guardrail has the advantages that the flexible guardrail is high in impact absorption capacity and good in impact stress dispersion and buffer effect, and the driving direction can be automatically restored.
Owner:浙江弘力新材料有限公司

Passenger car front anti-collision structure and application method thereof

The invention discloses a passenger car front anti-collision structure and an application method thereof. The passenger car front anti-collision structure includes a front bumper, a forewarning mechanism and a protecting mechanism, wherein the front bumper is located at the car head end of a passenger car, the forewarning mechanism is located above the car tail end of the passenger car, the protecting mechanism is located below the car tail end of the passenger, a first connecting plate and a second connecting plate are symmetrically arranged on the inner side of the front bumper, a sliding groove is formed in the inner side of the first connecting plate, and sliding rods are horizontally mounted above and below the interior of the sliding groove. According to the passenger car front anti-collision structure and the application method thereof, generated impacting force during multiple collision can be buffered, damage to the passenger car and on-car personnel is reduced when the passenger car is collided, the life and property safety are ensured at the greatest extent, a secondary traffic accident at the position is tired to be avoid if a rear brake is not applied in time, meanwhile, a protecting airbag on the tail part can perform the buffering and protecting effects under the condition of not paying attention of a rear car during the second traffic accident, and safety of a passenger car tail and passenger car is protected.
Owner:江西中汽瑞华新能源科技有限公司

Road congestion information reminding method and system

The invention provides a road congestion information reminding method and system. The road congestion information reminding method comprises the steps that a picture of a congested road section is obtained, and congestion reminding information is generated; and a user requests for obtaining the congestion reminding information, and moving on or detouring is judged according to the congestion reminding information. The picture of the congested road condition can be obtained, a user of a later coming car makes a correct road choice in advance conveniently, the passage time is saved, and the overall traffic operation efficiency is improved.
Owner:INMOTION TECH CO LTD

Intelligent traffic early warning system and early warning method

The invention relates to the technical field of traffic warning control, and provides an intelligent traffic early warning system which comprises a guardrail patrol machine, a tunnel patrol machine, agateway robot, an acousto-optic early warning system and a background server. The guardrail patrol machine is installed on a road guardrail and used for sending preset early warning information to the background server. The tunnel patrol machine is installed at a preset position of a tunnel and used for obtaining preset vehicle violation information, preset tunnel foreign matter information, airquality concentration and preset traffic image information in the current tunnel and uploading the information to the background server. The gateway opening robot is arranged at a preset position of agateway and used for acquiring preset vehicle information at the current gateway opening and uploading the acquired preset vehicle information to the background server, and the acousto-optic early warning system is used for receiving a preset alarm signal and carrying out corresponding sound and light early warning according to the received preset alarm signal. The system is intelligent in monitoring of high-speed traffic, high in safety and high in convenience.
Owner:诠航科技有限公司

Road center fence capable of toppling over safely

The invention provides a road center fence capable of toppling over safely. The road center fence comprises a plurality of bases and barrier grid assemblies arranged between every two adjacent bases, each barrier grid assembly comprises two stand columns and barrier grid units arranged between the two stand columns, and adjacent stand columns of every two adjacent barrier grid assemblies are arranged on the same base. The road center fence further comprises steel blocks and pin shafts, the bottoms of the steel blocks are fixedly connected with the corresponding bases, the lower ends of the adjacent stand columns of every two adjacent barrier grid assemblies are arranged between two corresponding steel blocks, arc-shaped grooves are formed in the contact surfaces of the stand columns and the corresponding steel blocks, arc-shaped protrusions matched with the arc-shaped grooves in a clamped mode are formed in the steel blocks, and each pin shaft penetrates through two corresponding steel blocks to connect the steel blocks and the corresponding stand columns. The stability of the road center fence can be guaranteed; when a vehicle collides with the road center fence, the adjacent stand columns rotate to be staggered so that a single barrier grid assembly can topple over safely, the situation that several barrier grid assemblies topple over at the same time, fly to a lane in the opposite direction and cause secondary traffic accidents is avoided, the safety protection effect is achieved, and the traffic safety and traffic efficiency of urban roads are guaranteed.
Owner:WUHAN UNIV OF TECH

Double protective fence in middle of road

The invention discloses a double protective fence in the middle of a road. The double protective fence in middle of the road comprises a plurality of pairs of stand columns, corrugated fence inner plates and corrugated fence outer plates; the lower ends of the stand columns are fixed to a road surface; a buffering frame is connected between each pair of stand columns; buffering blocks are fixedly connected to the side wall of the upper end of each stand column; the corrugated fence inner plates are transversely distributed on the two sides of the pairs of stand columns, and are fixedly connected with the buffering blocks at the same time; the corrugated fence outer plates are arranged on the outer sides of the corrugated fence inner plates side by side; and a plurality of compression springs are connected between the inner side faces of the corrugated fence outer plates and the outer side faces of the corrugated fence inner plates. The double protective fence in middle of the road has high protecting performance, a vehicle cannot directly break the double protective fence in middle of the road easily in a rushing manner, meanwhile, good buffering performance is also achieved, it is guaranteed that no serious damage is caused easily after the vehicle rushes into the double protective fence in middle of the road, and the survival rate of personnel in the vehicle is increased.
Owner:CHANGAN UNIV

Intelligent traffic pavement public safety online monitoring cloud platform based on machine vision and image processing analysis technology

The invention discloses an intelligent traffic pavement public safety online monitoring cloud platform based on machine vision and an image processing and analysis technology. Comprising a traffic pavement section division module, a pavement section arrow marking line image acquisition module, a marking line database, an arrow marking line image analysis module, an obstacle volume analysis module, a distance matching and tracking module, a pavement management center, a wear parameter statistics module, a management server and a background display terminal, according to the method, image acquisition is carried out on traffic road surface arrow marking lines, abrasion area acquisition is carried out on marking lines which are not clearly marked due to abrasion, and then statistics is carried out on arrow marking line abrasion danger coefficients corresponding to all abrasion road surface sections, so that comprehensive arrow marking line abrasion danger coefficients of a traffic road surface are obtained. The road traffic safety monitoring range at present is widened, traffic congestion or traffic accidents caused by unclear marking of road surface arrow traffic marking lines are reduced, and the road surface traffic level is improved.
Owner:南京乐之飞科技有限公司

Traffic warning board

ActiveCN108086191AReduce the probability of secondary traffic accidentsEasy to locate the accidentTraffic signalsRoad signsAccidents vehicleTraffic accident
The invention discloses a traffic warning board and mainly relates to a warning board. The traffic warning board comprises a solar cell panel and a device frame board. An alarm device, an identity card recognizer and a warning board body are arranged on the device frame board. The alarm device and a high-speed traffic management service terminal are connected through wireless signals. The identitycard recognizer and the high-speed traffic management service terminal are connected through wireless signals. The identity card recognizer controls the working state of the alarm device. A warning board lock connected with the identity card recognizer is arranged in the device frame board. The traffic warning board has the beneficial effects that the traffic warning board is a shared traffic warning board on an expressway, when an accident happens to a vehicle or the vehicle breaks down on the expressway, the traffic warning board can be taken and used instantly, a secondary traffic accidentis avoided, and the occurrence probability of the secondary traffic accident on the expressway is greatly reduced; and the traffic warning board facilitates accident location, an expressway traffic management service department can quickly lock the position of the accident vehicle or the breakdown vehicle, and following work can be finished conveniently and quickly.
Owner:江苏荣辉标识工程有限公司

Vehicular multifunctional traveling storage bag

The invention discloses a vehicular multifunctional traveling storage bag. The vehicular multifunctional traveling storage bag comprises handles, a storage bag body, a reflecting plate, a reflecting waistcoat, a fixing barrel, a safe hammer, a push plate, a first spring, a first folding plate, a buckle box, a buckle, a second folding plate, a fixing block, a second spring, a fixing groove, a thirdspring, a fixing latch, a second fixing rod and a fifth spring. The vehicular multifunctional traveling storage bag is provided with the fixing barrel, the safe hammer is placed in the fixing barrel,after an accident happens, the safe hammer can be taken out in time, and can be used for breaking a vehicle window in time, thus, a user can save himself in time, the first folding plate and the second folding plate are arranged on the bottom of the storage bag, when articles are placed, the first folding plate and the second folding plate extend, the space of the storage bag is expanded, after the articles are taken out, the first folding plate and the second folding plate contract under the effect of the third spring, and a proper accommodating space is provided.
Owner:四川四海鹏飞科技有限责任公司

Tunnel patrol machine

The invention relates to the technical field of traffic warning control, and provides a tunnel patrol machine, which comprises a control unit, and a driving unit, a networking transmission unit, a lawviolation behavior snapshot unit, a foreign matter monitoring unit, a gas monitoring unit, an acousto-optic warning unit, a real-time monitoring unit and a position positioning unit which are electrically connected with the control unit respectively; the law violation behavior snapshot unit is used for snapshot of preset vehicle violation information in the tunnel and snapshot of the preset vehicle violation information; the foreign matter detection unit is used for detecting whether preset foreign matter information exists in the tunnel; the gas monitoring unit is used for monitoring the airmass concentration in the tunnel; the acousto-optic warning unit is used for carrying out tunnel warning according to a preset acousto-optic warning mode; the real-time monitoring unit is used for acquiring preset traffic image information within a preset distance range; and the position positioning unit is used for acquiring current position information. The tunnel patrol machine can timely andactively identify foreign matters and abnormal parking events of the current tunnel and perform early warning.
Owner:诠航科技有限公司

Highway traffic accident detection and early warning system and method

The invention provides an expressway traffic accident detection and early warning system. The expressway traffic accident detection and early warning system comprises a field detection unit, a data processing unit, an information transmission unit and an alarm unit. The field detection unit comprises an image acquisition module and an image receiving module; the data processing unit comprises a vehicle detection module, an agglomerate fog detection module, a vehicle tracking module, an information processing module and a storage module; the vehicle detection module is used for detecting and judging whether a target object in a to-be-detected area is a vehicle or not; and the agglomerate fog detection module is used for detecting whether agglomerate fog exists in the to-be-detected area ornot; the information transmission unit comprises a wireless transmitting module; the wireless transmitting module is connected with the information processing module; and the information processing module is communicated with the alarm unit through the wireless transmitting module. Correspondingly, the invention provides an expressway traffic accident detection and early warning method, which is higher in detection precision and low in false alarm rate, and secondary traffic accidents on the expressway are effectively avoided.
Owner:ZHEJIANG IND & TRADE VACATIONAL COLLEGE

Traffic accident site rapid mapping system based on image guiding

A traffic accident site rapid mapping system based on image guiding comprises a homography matrix solution module, a space coordinate transformation module, a re-sampling module, a mapping and marking module and a file preserving and printing module. The homography matrix solution module builds a mapping relationship between a traffic accident site picture image plane and an actual road plane according to the two-dimensional direct linear transformation method, the space coordinate transformation module restores the position information of a traffic site picture in object space according to the homography matrix and scales the range of the traffic accident site to the size range of the original traffic accident site picture, the re-sampling module restores gray information of the traffic accident site picture in object space and achieves transformation from a perspective picture to an orthographic projection picture of the traffic accident site picture, the mapping and marking module achieves direct mapping and relevant size marking of the traffic accident site information on the orthographic projection picture, and the file preserving and printing module achieves functions of preservation and site printout of the traffic accident site picture. By means of the traffic accident site rapid mapping system, the accuracy of traffic accident site survey is improved, the on-site data processing and mapping time is saved, and the requirement of site picture printout on the traffic accident site is further satisfied.
Owner:SHANGHAI JIAO TONG UNIV SUBEI RES INST

a traffic warning sign

ActiveCN108086191BReduce the probability of secondary traffic accidentsEasy to locate the accidentTraffic signalsRoad signsAccidents vehicleTraffic accident
The invention discloses a traffic warning board and mainly relates to a warning board. The traffic warning board comprises a solar cell panel and a device frame board. An alarm device, an identity card recognizer and a warning board body are arranged on the device frame board. The alarm device and a high-speed traffic management service terminal are connected through wireless signals. The identitycard recognizer and the high-speed traffic management service terminal are connected through wireless signals. The identity card recognizer controls the working state of the alarm device. A warning board lock connected with the identity card recognizer is arranged in the device frame board. The traffic warning board has the beneficial effects that the traffic warning board is a shared traffic warning board on an expressway, when an accident happens to a vehicle or the vehicle breaks down on the expressway, the traffic warning board can be taken and used instantly, a secondary traffic accidentis avoided, and the occurrence probability of the secondary traffic accident on the expressway is greatly reduced; and the traffic warning board facilitates accident location, an expressway traffic management service department can quickly lock the position of the accident vehicle or the breakdown vehicle, and following work can be finished conveniently and quickly.
Owner:江苏荣辉标识工程有限公司

Street lamp with warning protection function

The invention discloses a street lamp with the warning protection function. The street lamp comprises a fixed bottom frame, wherein a sliding cavity is formed in the fixed bottom frame, a straight groove is formed in a side wall of a top end of the fixed bottom frame, and a threaded rod and a threaded sleeve are arranged in the straight groove. By arranging the first lamp holder, the second lamp holder and the second lamp body, when emergency traffic accidents such as collapse and fault vehicles occur on a road at night, a rotating disc is rotated, a threaded rod descends, the threaded rod enables a threaded sleeve to move downwards, and the threaded sleeve drives the second lamp holder and a third lamp holder to move downwards at the same time; then the third lamp holder is pulled out from the storage groove of the second lamp holder 1, at the moment, a first conductive block makes electrical contact with a second conductive block, a second lamp body is powered on to emit light, the second lamp holder and the third lamp holder form a roadblock, meanwhile, first lamp bodies on the second lamp body and the third lamp holder conduct illumination, and therefore the warning effect on passing vehicles is achieved; and the passing vehicles can bypass so that occurrence of secondary traffic accidents is avoided.
Owner:冯金炎

A method and system for preventing secondary traffic accidents on expressways

The invention provides a method and system for preventing secondary traffic accidents on expressways. The method includes: obtaining and comparing the driving speeds of two adjacent motor vehicles on the same lane on the expressway. When driving, calculate the distance between the two cars, and calculate the safe distance between the two cars according to the driving speed of the two cars, and then compare whether the distance is less than the safe distance, if it is smaller than the safe distance, further judge Whether the distance between the two vehicles is reduced to 0, if so, it is determined that the two vehicles send a rear-end collision accident, generate early warning information, then obtain the display device corresponding to the location where the rear-end collision accident occurred, and send the early warning information to the display device for display. It realizes early warning when traffic accidents occur on roads with frequent traffic accidents, ensures the safety of vehicles traveling on this road section, avoids secondary traffic accidents, assists traffic management departments to discover traffic accident information in time, and improves the accident handling efficiency of traffic management departments.
Owner:ANHUI KELI INFORMATION IND +1

Intelligent warning car

The invention relates to a smart warning vehicle which comprises a safety warning device, a turning device (11) and a hydraulic lifting mechanism (12). The safety warning device installed on a vehicle body is mainly composed of a control center (1), a wireless warning signal emitting device (3), a speed measuring radar (4), a warning light (5), an LED display screen (6) and a printed caption board (7). The hydraulic lifting mechanism is arranged on the back portion of the vehicle body, one end of the turning device is connected with the hydraulic lifting mechanism, and a fixed block (10) is arranged at the other end of the turning device. The LED display screen and the printed caption board are installed on a supporting bar (9) through a framework, and the lower end of the supporting bar (9) is connected with the top of a vehicle head through the fixed block (10). The speed measuring radar and the warning light are arranged on the supporting bar (9). The wireless warning signal emitting device is welded at the top of the vehicle head. The smart warning vehicle can prevent secondary traffic accidents, and has the advantages of high mobility, automation and intelligentization and wide application.
Owner:WUHAN UNIV OF TECH

Emergency anti-collision device for highway engineering

The invention discloses an emergency anti-collision device for highway engineering, and belongs to the technical field of anti-collision guardrails. According to the emergency anti-collision device for highway engineering, an annular cutter is arranged on a base, and an anti-collision rod is arranged in the annular cutter so that the anti-collision rod can be timely cut off by the annular cutter when being directly collided by a vehicle; prevention of a secondary traffic accident caused by vehicle rebounding back to the lane is achieved; when the out-of-control vehicle collides with the anti-collision baffles, the anti-collision panels between the adjacent anti-collision rods are collided, the energy absorption cylinders are extruded to collapse inwards to absorb kinetic energy of the vehicle, in addition, the buffer cables are stretched by an impact force and drive the sliding blocks to slide in the limiting sliding grooves, and the kinetic energy of the vehicle is absorbed; and when the collision force of the vehicle is too large, the anti-collision baffles and the buffer cables pull the anti-collision rods to be bent and cut off by the annular cutter, at the moment, the multiple sections of anti-collision baffles and the buffer cables in the anti-collision baffles are stressed at the same time, and the vehicle is buffered.
Owner:杨金玲

Safe to dump road center barriers

The invention provides a road center fence capable of toppling over safely. The road center fence comprises a plurality of bases and barrier grid assemblies arranged between every two adjacent bases, each barrier grid assembly comprises two stand columns and barrier grid units arranged between the two stand columns, and adjacent stand columns of every two adjacent barrier grid assemblies are arranged on the same base. The road center fence further comprises steel blocks and pin shafts, the bottoms of the steel blocks are fixedly connected with the corresponding bases, the lower ends of the adjacent stand columns of every two adjacent barrier grid assemblies are arranged between two corresponding steel blocks, arc-shaped grooves are formed in the contact surfaces of the stand columns and the corresponding steel blocks, arc-shaped protrusions matched with the arc-shaped grooves in a clamped mode are formed in the steel blocks, and each pin shaft penetrates through two corresponding steel blocks to connect the steel blocks and the corresponding stand columns. The stability of the road center fence can be guaranteed; when a vehicle collides with the road center fence, the adjacent stand columns rotate to be staggered so that a single barrier grid assembly can topple over safely, the situation that several barrier grid assemblies topple over at the same time, fly to a lane in the opposite direction and cause secondary traffic accidents is avoided, the safety protection effect is achieved, and the traffic safety and traffic efficiency of urban roads are guaranteed.
Owner:WUHAN UNIV OF TECH

Traffic accident scene investigation system based on unmanned aerial vehicle and WIFI (wireless fidelity)

The invention provides a traffic accident scene investigation system based on an unmanned aerial vehicle and WIFI (wireless fidelity). The traffic accident scene investigation system comprises a traffic accident scene investigation system and a global navigation satellite system receiving machine connected with the traffic accident scene investigation system. The traffic accident scene investigation system is characterized in that the traffic accident scene investigation system comprises a scene calibration sub system, a scene image obtaining sub system, a data processing sub system, a real-time communication sub system and a drawing sub system. The traffic accident scene investigation system has the advantages that the positioning is accurate; the accident scene investigation efficiency and accuracy are greatly improved; the personnel consumption and the indirect loss caused by accidents are reduced; the occurrence of secondary traffic accidents is effectively avoided.
Owner:杨超坤

BIM-based traffic control method in road traffic accidents

The invention discloses a BIM-based traffic control method in road traffic accidents, which includes establishing a BIM model corresponding to road engineering; recording the type of accident and the cause of the accident in the BIM model, and determining the rectangular accident area in the BIM model; according to the rectangular accident area Determine the length and width of the working area; determine the closed lane according to the number of lanes covered by the working area; automatically generate the vehicle parking area in the BIM model; determine the location of the vehicle parking area according to the closed lane; identify the warning area in the BIM model , the length of the upstream transition zone, the buffer zone, the downstream transition zone and the termination zone; determine the placement position of the sign and the cone barrel, and automatically generate it in the BIM model; the present invention combines BIM technology to visually display the position of the accident area on the road section, Scientifically and rationally arrange the scope of the traffic control area, reasonably place signs and cones, greatly improve efficiency, and prevent secondary traffic accidents.
Owner:NANJING SOUTHEAST BUILD ELECTROMECHANICAL SEISMIC RES INST

Highway fault warning device

The invention discloses an expressway fault warning device, and relates to the technical field of traffic warning devices.The expressway fault warning device comprises a mounting base, a warning board and a sound box, the warning board is movably arranged at the top of the mounting base, the sound box is fixedly connected to the rear side of the warning board, a mounting cavity is formed in the mounting base, and the sound box is fixedly connected to the rear side of the warning board; and a lifting mechanism is arranged in the mounting cavity. According to the traffic warning device, through cooperation of the lifting mechanism, the sound producing mechanism, the sound amplifying mechanism and the stabilizing mechanism, the problem that due to the fact that most of existing traffic warning devices cannot send danger signals to a rear vehicle, the response time of the rear vehicle is insufficient, and a secondary traffic accident is likely to happen is solved; meanwhile, the problem that most of existing traffic warning devices cannot be lifted, so that rear vehicles cannot find the situation in time is solved, the effect that accident signals are effectively transmitted to the rear through cooperation of sound transmission and the warning lamp is achieved, and meanwhile the effect of lifting the warning board is achieved.
Owner:SOUTH CHINA UNIV OF TECH

Traffic accident early warning method and device

The invention discloses a traffic accident early warning method and device. The traffic accident early warning method comprises receiving traffic accident warning information which is sent from a first terminal, wherein the traffic accident warning information contains information of a road section to which a traffic accident occurs; confirming a base station to which the traffic accident happened road section belongs and confirming a second terminal device within the coverage area of the base station; sending the traffic accident warning information to a terminal device ordering a traffic early warning business in the second terminal device. According to the traffic accident early warning method, the traffic accident happened base station is confirmed due to the fact that the information of the traffic accident happened road section is carried along in the traffic accident warning information sent from the first terminal device, the traffic accident warning information is sent to the terminal device which orders the traffic warning business within the coverage range of the base station, a user can timely obtain the road section to which the traffic accident occurs and can select other driving routes to get through, and secondary traffic accidents are avoided.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Tower type traffic warning cone

The invention discloses a tower type traffic warning cone which comprises a supporting chassis, a cone top and a plurality of middle connecting layers arranged between the supporting chassis and the cone top, the middle connecting layers are combined together in a sleeved mode, spring assemblies are arranged in the centers of the middle connecting layers, and the upper ends and the lower ends of the spring assemblies are fixed into the cone top and the supporting chassis respectively. A plurality of sliding groove assemblies are arranged on the outer wall of the cone top and the outer wall of the middle connecting layer, buckle assemblies are arranged on the inner wall of the supporting substrate and the inner wall of the middle connecting layer, and the sliding groove assemblies are clamped with the corresponding buckle assemblies. The tower type traffic warning cone is simple, practical, compact in structure, small in storage size, convenient to use, large in light reflecting region, good in light reflecting effect, stable and reliable, and the cone top and the middle connecting layers are telescopically fixed through clamping of the sliding groove assemblies and the buckle assemblies.
Owner:张国
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