94 results about "Ring road" patented technology

The invention provides an entrance ring road self-adaptive control system and a method, which belong to the technical field of intelligent traffic signal system control. The system of the invention comprises traffic detection equipment, traffic control equipment and a communication module, wherein the traffic detection equipment comprises a queuing detector, an upstream detector, a downstream detector and an abouchement detector, and is used for detecting and collection traffic flow data, the traffic control equipment comprises a ring road controller and an entrance ring road signal lamp, and is responsible for controlling the entrance ring road traffic flow rate, and the communication module is used for communication. The system and the method of the invention can response to the traffic flow rate change on a high-speed road, and can automatically select different control methods according to the vehicle flow rate at major trunk roads and at entrance ring road parts. In addition, the hardware of the ring road controller adopted by the invention is simple and is easy to be realized, the development cost is low, and the application range is wide.

The invention provides an inducing device and an inducing method of vehicle confluence at an intersection based on vehicle and road collaboration. The device consists of a video detector set, a roadbed computer module, a wireless router, a ring road side traffic information prompting screen and a traffic inducing band, wherein the video detector set is used for sending real-time collected video data of the vehicles on a high speed arterial road to the roadbed computer module; and the roadbed computer module is used for processing the video data to generate a control signal; and the control signal is sent to the ring road side traffic information prompting screen by the wireless router to respectively display and convert the modes of an LED lamp. The inducing method comprises the followingsteps of: obtaining the real-time speeds and real-time distances of the moving vehicles by processing the traffic video flow of the vehicles on the high speed arterial road; and generating the control signal, wherein the control signal is displayed by the traffic information prompting screen and is used for controlling the mode conversion of the LED lamps of the traffic inducing band. The invention is capable of effectively avoiding the traffic accidents on the intersection of the ring road and the high speed arterial road.

The invention provides control method and device of a signal light at a ring road junction of an express way. The control method of the signal light at the ring road junction of the express comprises the following steps of: after the signal light of an auxiliary road turns green until the first green light duration finishes, if the auxiliary road is in a congestion state, controlling the signal light to continuously turn green until the second green light duration finishes; if the ring road is in the congestion state, controlling the signal light to turn red until the first red light duration finishes; judging whether the auxiliary road is in the congestion state or not; if the auxiliary road is in the congestion state, controlling the signal light to turn green until the first green light duration finishes; and if the auxiliary road is not in the congestion state, controlling the signal light to continuously turn red until the second red light duration finishes, wherein the first green light duration is less than the second green light duration, and the first red light duration is less than the second red light duration. By controlling the operation of the signal light, the traffic pressure of a main road and the auxiliary road is effectively relieved, thereby realizing the purpose of reducing the congestion of express way by using the control method of the signal light at the ring road junction of the express way.

Disclosed is a multi-layer road system, which has multilevel roads composed of at least two floors with an inter-floor road for securing parking and living spaces and/or without the inter-floor road for minimizing the height thereof, entry/exit buildings provided at starting points of the multilevel roads, and intersection buildings provided at the intersection points between the multilevel roads. A planar layout structure of the multilevel road is based on a combination pattern, in which non-latticed type multilevel roads including intermediate entry/exit buildings are connected to each other by linear and curved multilevel roads. The floors of the intersection building enable a rapid and easy left-hand turn by substituting a P-turn mode for a conventional mode requiring a turn of 180 DEG along a loop road.

The invention discloses a distributed optical fiber monitoring system for tunnel surrounding rock deformation and construction and monitoring methods thereof. The monitoring system is composed of a first sensor, a second sensor, and an information system. The first sensor and the second sensor can be connected in series and then connected with the host interface of the information system to form a closed loop. According to the construction method, sensing fibers are symmetrically arranged in four grooves in the outer wall of a hollow circular pipe to form vertical and horizontal sensing loops, and sensors are embedded into pre-excavated trenches in the surrounding rock of a tunnel. According to the monitoring method, the vertical displacement distribution of the sensors can be calculated by performing differential and integral operations on the strain of the two fibers in the symmetrical first and second grooves of the hollow circular pipe. Distributed monitoring and real-time and advance monitoring are adopted. The data is stable and reliable. The cost is low. The monitoring system is suitable for dynamic real-time monitoring of the vertical and horizontal deformation of the surrounding rocks of existing highways under tunnels, tunnels, office buildings and other structures, and in influence areas of buildings.

The invention relates to the technical field of traffic safety, in particular to an underground interchange merge area sight line induction system comprising a side wall sight line induction system, asign induction system and a road surface induction system. The side wall sight line induction system is composed of light reflection rings, curb vertical face signs, waistband lines, induction largearrows, induction small arrows and LED reference strips. The sign induction system is composed of flexible warning columns, a merge warning sign, a give-way sign and tunnel indicators. The road surface induction system is composed of protruding road signs, flow guide lines, a dotted and solid turning arrow, a give-way mark line, fishbone-shaped speed reduction mark lines and a dotted and solid mark line. Due to the adoption of the structure arrangement, by means of the side wall sight line induction system, the sign induction system and the road surface induction system, the visual environmentof drivers is effectively improved, the induction and indication effects of secondary road traffic flow are enhanced, the passage efficiency of merge areas is improved, the vehicle speeds and the vehicle distances of vehicles on primary roads and secondary roads are controlled, and safety of the merge areas is improved.

The invention relates to a method for dating tree rings and a device for implementing the method and relates to the field of age determination of trees. According to the method and the device, the problem of existing tree age determination methods that the ages of ancient trees distributed in the Beijing downtown cannot be accurately determined on the premise of not damaging the ancient trees is solved. For guaranteeing the dating accuracy, collected tree ring samples (may be tree ring disc samples or pith samples collected from growth cones) need to be interpreted at first so as to eliminate false rings, incomplete rings and broken rings, then ring width sequences of the samples are measured by using a computer, a standard ring width sequence of the samples is calculated, and the age of each tree ring is determined according to a binary regression analysis result of a ring width standard curve and the standard ring width sequence of the samples. The method is suitable for dating tree rings and determining the age of the all trees planted in open fields in the 5th Ring Road of Beijing.

The invention relates to an ecological planting mode for land crops. The ecological planting mode for land crops is characterized by comprising four portions including main and side roads as sunning ground, a water supply and drainage pipe spraying portion, pest expelling and killing monitoring and inspecting portion and a seed and fertilizer degradation film planting portion, and comprises the specific steps of separately establishing two main roads (1) and two side roads (2) which are parallel in pairs and are perpendicular on the periphery of the position of a water supply branch canal (3)established at a high-terrain position and the periphery of the position of a water drainage branch canal (18) established at a low-terrain position in a parcel of the rice field of a land crop planting area with a certain area in the longitudinal direction and the transverse direction to form a ring road which is used for vehicles to pass and also taken as the sunning ground, and arranging the water supply and drainage pipe spraying portion, the pest expelling and killing monitoring and inspecting portion and the seed and fertilizer degradation film planting portion. The technology is suitable for land crops which generally comprise corns, soybeans, wheat, sorghum, cereal, land fruits and vegetables, fruit trees, tea gardens and the like, and has the characteristics that water is saved and fertilizer is retained, environmental pollution is avoided, the labor and costs are saved, modern farmland construction is implemented, agricultural planting is ecological, a cultivation technologyis accurate, continuous high and stable yield is implemented, a farming environment is improved and the like.

The invention relates to the field of urban traffic and particularly relates to an intersection bridge. The intersection bridge comprises a high level bridge and two arc-shaped bridges, which are arranged longitudinally, and a ground level road horizontally arranged below the high level bridge. An upper approach bridge and a lower approach bridge of each arc-shaped bridge are respectively arranged on the two sides of an approach bridge of the high level bridge, a main bridge of each arc-shaped bridge is arranged on a ground end of the approach bridge of the high level bridge, the upper approach bridge and the lower approach bridge of each arc-shaped bridge are both connected with the same side of the ground level road, high level bridge exits are respectively arranged at the junctions of the upper approach bridges of the arc-shaped bridges and the approach bridge of the high level bridge, and high level bridge entrances are respectively arranged at the junctions of the lower approach bridges of the arc-shaped bridges and the approach bridge of the high level bridge. According to the intersection bridge, automobiles at any intersection can run to the other three intersections, can turn around through a ring road, and only can run on one driving lane, so that a whole driving process is simplified, a driver cannot be confused, the transportation efficiency is further improved, and the road congestion problem can be solved.

Provided is an overpass for a T road. The T road comprises a transverse main road and a longitudinal main road which intersect in a T shape, wherein the transverse main road comprises a left running A lane and a right running B lane, the longitudinal main road comprises an up running C lane and a down going D lane, and a bridge body is arranged on the T road. The overpass for the T road is characterized in that the bridge body comprises a first ring road bridge for the A lane to turn to the D lane and a second ring road bridge for the B lane to turn to the C lane. The overpass for the T road is simple in structure, small in floor area, easy to identify direction, not prone to make mistakes and free of traffic lights. The length of the ring road bridges are greatly shortened, and building cost is saved. Compared with a traditional overpass, the overpass for the T road is obviously different in structure, and effects are obviously improved.

The present invention belongs to the field of road structure in cross road. The ground and underground road structure for cross road includes ground pavements and non-motored vehicle lanes; and underground motor vehicle roads, each of which includes one entrance, one exit and one approach road. The underground roads include two semi-ring roads. The present invention separates the motor vehicle roads from the pavements and non-motored vehicle lanes. The present invention has simplified structure and is favorable to the safe running of vehicles.

The present disclosure is directed to providing a spiral road junction system. More specifically the present disclosure relates to a system for connecting a plurality of highway spokes via a spiral road junction comprising adjacent-spoke connecting roads associated with each highway spoke, and a ring-road interchange traversing all the highway spokes. The ring-road interchange provides a continuous path from a slip road diverging from an entry highway spoke to an access road merging with an exit highway spoke.

The invention discloses a design of urban loop roads taking one-way traffic as main public traffic and reverse driving as auxiliary traffic. The one-way traffic is a method which solves the urban traffic congestion, improves the traffic capacity and is economical and effective. The arrangement of loop road one-way traffic is different from that of ordinary road one-way traffic, and the loop road one-way traffic requires the closure of an entrance and an exit of a guardrail at one side of loop roads, which results in the idling of connecting facilities outside the loop roads. Accordingly, the invention adopts the following scheme for the full utilization of resources of the original loop road traffic structure facilities and the embodiment of public traffic priority: one-way driving roads occupy three fourths in the width of the loop roads; a special reverse driving road for public transport vehicles occupies a quarter in the width of the loop roads; a side road at one side of the reverse driving road is widened by about one time; and the loop roads can be arranged in dual combination according to a one-way loop road to meet demands of various traffic directions when a city has multi-layer loop roads.

The invention discloses a method for realizing transfer of a one-way and one-line bus mode at a roundabout, which belongs to the field of transportation. The key structure comprises bus stations, buslanes and transfer vehicles, wherein the bus stations are arranged on the side of a ring road between adjacent intersections in the roundabout, the bus lanes are arranged at the positions where the bus stations are located and abut against the bus stations, and the length of the bus lanes is slightly larger than that of the bus stations. The transfer vehicles are bus transfer vehicles arranged onthe outer side of the ring road and only circularly run in the ring road, each bus station in the ring road is parked, and one or more transfer vehicles are arranged in the ring road. The bus only stops at the last passing bus station (namely the exit station), and passengers take the transfer bus or walk to reach the target transfer station after getting off the bus at the exit station. The method for realizing the bus priority is that the bus is not controlled by the traffic lights at the ring road intersection.

The invention relates to a design scheme for a concave-polygon-shaped cross ring road intersection, and particularly relates to a traffic organization design and traffic control method for improving the traffic capacity of the roundabout, reducing the traffic delay on the intersected roads and improving the street crossing safety of pedestrians and non-motorized vehicles, belonging to the field of traffic design and traffic control. The concave-polygon shaped cross ring road intersection is an improvement on the traditional rotary intersection. By increasing the straight-going traffic on the main roads and giving priority to the straight-going traffic on the main roads, the traffic delay of the straight-going traffic flow on the main roads at the roundabout can be reduced. In addition, by additionally arranging signal lights at the main roads and the roundabout, adopting the two-phase signal control and jointly controlling multiple signal light control sites, the green wave traffic can be realized, the traffic delay on the main roads can be reduced, and the traffic capacity of the rotary intersection can be improved. The traditional round roundabout is compressed to obtain the concave-polygon-shaped cross ring road intersection, and the traffic organization form of the roundabout is realized by steering. The concave-polygon shaped cross ring road intersection can adapt to terrains and is particularly suitable for the situation with shortage of land.

The invention discloses a road facility capable of enabling vehicles on a crossing road of a city not to intersecting. The road facility comprises a longitudinal road and a transverse road which are arranged on the crossing road, and a crossing path formed when the longitudinal road and the transverse road intersect, wherein a plurality of vehicular bridges corresponding to driving directions are arranged on the crossing road, a plurality of corresponding connecting roads are arranged under the corresponding vehicular bridges, one ends of the corresponding connecting roads are connected with the corresponding vehicular bridges, the other ends of the connecting roads are connected with running lanes, and isolation belts are arranged on two sides of the corresponding connecting roads. By adopting the technical scheme provided by the invention, the vehicle traffic capacity on each connecting road of the crossing road can be increased several times. The road facility has the advantages and effects of little investment, resource saving, simple technology, no traffic light, no limit of vehicle flow, smoothness without stop, convenience in running and the like, and radically solves the problem of traffic jam in the city.

The invention discloses a method and system for configuring a scenic area road sign. The method mainly comprises: acquiring scenic area road vector data and scenic area scenic spot data; interruptingall roads according to the intersections of roads to obtain new road vector data; traversing the starting points and the end points of all interrupted new roads, and using points other than suspensionpoints, repetition points and loop nodes as a road sign rough selection result; scoring locations in the road sign rough selection result according to road grades, and deleting the locations with lowscores; traversing all locations subjected to score selection, deleting redundant locations; calculating the service range of each location, adding road sign locations to the uncovered parts of the roads which are not fully covered by the service area to obtain a road sign fine selection point result; arranging the scenic spots according to the orientations and the distances of the road sign locations and the scenic spots and the grades of the scenic spots, and selecting the display content of the road signs. The method and system realize the automatic configuration of the scenic area road signs and improves the level of the road sign configuration system in the scenic area.

The invention discloses a system for reducing mileage anxiety of electric vehicle passengers. The system includes a charging loop arranged in the middle of a highway; the upper ring groove and the lower ring groove of the charging loop are separately and fixedly provided with a positive guide rail and a negative guide rail, and the intermediate ring groove is provided with a transmission chain moving in the running direction of an electric vehicle; multiple charging sliding blocks are arranged on the outer sides of the upper ring groove and the lower ring groove, the charging sliding blocks are in a bridge shape and two bridge legs of each charging sliding block can slide in the upper ring groove and the lower ring groove correspondingly, and the two bridge legs can be always in sliding contact with the positive guide rail and the negative guide rail separately. Charging connectors are elastically hinged to the outer ends, relative to the running direction of the electric vehicle, of bridge surfaces of the charging sliding blocks; the inner sides of the charging connectors are fixedly provided with magnets, and multiple magnet blocks are evenly fixed on the outer side of the transmission chain; and during charging, the magnets on the charging connectors are disconnected from the magnet blocks, and the charging connectors are turned outwards to be in charging connection with corresponding charging sockets on the left sides of the heads of the electric vehicles through demountable charging connection rods. The system for reducing mileage anxiety of electric vehicle passengerscan carry out charging during the running of the electric vehicle, and the endurance mileage of the electric vehicle can be significantly increased.

The embodiment of the invention provides a flow cleaning method and device and first boundary routing equipment. The method comprises the steps that a tunnel with a first interface as a source node and a second interface as a tail node is established, wherein the first interface is an interface learned through a BGP and used for sending a message to a second boundary routing device; and forwardingthe traffic received by the interface which does not establish a BGP neighbor to a cleaning server through the tunnel to perform traffic cleaning. A tunnel can be established between a first boundaryrouting device and a second boundary routing device, so that two different routes, namely a route learned through a BGP and the established tunnel, are arranged between the first boundary routing device and the second boundary routing device, and the flow received by different types of interfaces is transmitted by different routes, the boundary routing boundary devices can transmit the cleaned flow and the flow which is not cleaned by different routes, and a loop is prevented from being formed in the BGP network.

The invention provides an activation circuit and method and a rail vehicle, the circuit comprises a first activation module arranged on a vehicle body and a second activation module arranged on a vehicle underframe, and a target activation module comprises two activation interfaces, a controlled interlocking interface and a master control interlocking interface; the target activation module is used for closing a target activation interface under the condition that a controlled interlocking interface of the target activation module is not electrified and a conductive loop is not formed in the target activation module, so that a target conductive loop is formed in the target activation module, and a master control interlocking interface of the target activation module is electrified; the controlled interlocking interface of the first activation module corresponds to the master interlocking interface of the second activation module, and the master interlocking interface of the first activation module corresponds to the controlled interlocking interface of the second activation module. Through interlocking between the two activation modules and interlocking between the two activation interfaces in the activation modules, only one activation interface can be used for activating the railway vehicle.

The invention discloses a CT disconnection quick locking method and system based on braking current and zero sequence current in the technical field of bus differential protection. The method comprises the steps that current sampling values of all branches of a bus are obtained; the large-difference braking current value and the floating threshold value are compared, and a first comparison result is output; comparing the sum of K times of the maximum value of the zero-sequence break variable value of each branch of the bus and the absolute value of the zero-sequence break variable value of each branch, and outputting a second comparison result; according to a preset criterion, it is judged that bus single-phase CT disconnection occurs, and bus differential protection of the phase is locked; the problem of bus differential protection misoperation locking when the braking current CT disconnection criterion has an intra-region single-phase high-resistance fault under the condition of partial heavy load, a metallic fault outside a bus region, a homonymous phase high-resistance fault in the bus region and the like is solved; and meanwhile, the problem of misoperation locking bus differential protection under the conditions of loop shunt, three-phase impedance imbalance and the like of the zero sequence current CT disconnection criterion in a three-second wiring mode is solved.

The invention is an all intercommunicating cross intersection with DA-shaped junction, erecting an arch large-span bridge on the original DA-shaped crossing so that all motor vehicles which come and go and straight run on and under the bridge are unblocked. In addition, a pair of long- handle hook-like large-span ring roads transversely lie outside the original crossing, and a pair of short-handle hook-like large-span ring roads is adjacent to the insides of the long-handle hook-like large-span ring roads, which solves the left-turning difficulty of longitudinal and transverse vehicles; in addition, four arch small-span bridges directly solve the right-turning difficulty. A U-shaped bending ruler is built on the right-falling road of the DA-shaped junction, thus solving the left-turning difficulty of vehicles coming from the left-falling road; besides, a bending ruler ring road is built, adjacent to the left inside of the U-shaped ring road, thus solving the difficulty that vehicles turn left from the right-falling road onto the left-falling road but do no intersect those on the other roads.