57 results about "Raised pavement marker" patented technology

The invention discloses a tunnel back reflection illuminating system setting method based on train speed control and train distance keeping. The method comprises the steps of: arranging tunnel side walls, red and white facade marked lines on lower edges of curbs, and road surface raised pavement markers on road sides to form a space high-frequency vision information stream; secondly, arranging a plurality of layers of outline markers on the tunnel side walls at intervals of 25-50m in an advancing direction, arranging side wall vertical marked lines and extending to the top of a cave, transversely arranging transverse wrong vision marked lines on the road surface to form a space medium-frequency vision information stream; and then arranging two white folded lines and vibration marked lines on the road surface every 3 medium-frequency transverse marked lines at intervals of 100-200m in the advancing direction, and arranging two white folded lines on the side walls to form a space low-frequency vision information stream. Multiple channels of frequency vision systems are made of a high-strength back reflection material, so that a back reflection illuminating system is formed, perception of velocity and perception of distance of a driver are effectively improved, thus the integration of tunnel illuminating benefit and tunnel safety is achieved. The tunnel back reflection illuminating system setting method can be applied to tunnel illumination of low-light expressways with speed limit of 60-80km / h and traffic safety facility improvement.

The invention discloses a spike-type traffic signal lamp. The traffic signal lamp comprises a pedestal and a face cover, wherein the pedestal and the face cover are connected fixedly. Cross sections of the face cover are trapezoid in directions that are extended along a road and an accommodation space is formed between the pedestal and the face cover. A waterproof LED module group, a controller and power supply equipment are fixedly arranged in the accommodation space. A first transparent window is arranged on a surface that faces a vehicle and a light-emitting surface of the waterproof LED module group faces the first transparent window. The waterproof LED module group comprises a red LED lamp and a green LED lamp, wherein the red LED lamp and the green LED lamp are arranged regularly. And the controller receives a traffic signal from a traffic command center and controls an LED lamp with a corresponding color to be lightened. According to the invention, the spike-type traffic signal lamp is arranged on a road; the traffic signal lamp is synchronized with a traffic signal command system and displays a real-time traffic indication signal; meanwhile, the spike-type traffic signal lamp can also play a role as a deceleration strip of the road.

There is provided a highway safety system for use by a vehicle for detecting a lane boundary defined by a plurality of markers, wherein each of the plurality of markers has an associated identifier. The highway safety system comprises a detection module configured to detect the associated identifier in each of the plurality of markers defining the lane boundary, wherein the detection module is further configured to receive marker detection data from the associated identifier in each of the plurality of markers defining the lane boundary. The highway safety system further comprises an alarm module for determining an alarm condition based on marker detection data provided by the detection module, wherein the alarm module is configured to generate an alert according to the alarm condition. For example, each of the plurality of markers may be a raised pavement marker, and the associated identifier may be an RFID tag.

The present invention provides a system for controlling one or more operating unites in an inductive power transfer (IPT) system. Each operating unit includes a pick-up coil that takes power from a primary conductor or track over an air gap. The operating unit is controlled by frequency modulating the primary conductor power supply to send a control instruction which is decoded by the operating unit. The instruction is decoded by generating a signal using a local oscillator in the operating unit and using the signal to detect changes in the frequency of the current in the primary conductor. Such a system can be used, for example, to control inductively powered road-studs that include a light source for controlling traffic on a roadway. A narrow band modulated data transmission system and method for controlling an operating unit are also provided.

A pavement marking article that has an adhesive composition for adhering the article to a pavement substrate, where the adhesive composition includes a reaction product of an acrylic acid ester of a monohydric alcohol whose homopolymer has a Tg less than 0° C., a non-polar ethylenically unsaturated monomer, and 0-10 parts by weight of a polar ethylenically unsaturated monomer. Preferably the amount of the acrylic acid ester is about 60-90 parts by weight, and the amount of the non-polar ethylenically unsaturated monomer is about 10-40 parts by weight.Also, a raised pavement marker that comprises:(a) a pavement marker body having upper and lower surfaces and an apparent flexural modulus of at least about 50,000 psi and(b) a pressure sensitive adhesive layer disposed upon the lower surface of the marker, wherein the adhesive has:(i) a transition region that begins at a frequency of about 10,000 radians / s or more and extends to a frequency of about 100 radians / s or less at about 25° C.; and(ii) a minimum shear modulus of about 1×105 Pa at an impact frequency of about 100 radians / s at 25° C.; and(iii) a shear modulus value of about 2×104 to 2×105 Pa at a frequency of 1 rad / sec at 25° C.Raised pavement markers that use a pressure sensitive adhesive meeting parameters (i)-(iii) can demonstrate good adhesion to roadways and are capable of withstanding repeated impacts from motor vehicle tires.

The traffic violation detection system includes a series of smart road studs embedded in the roadway acting as sensors for vehicles moving in the prohibited manner. The road studs have a refraction surface on their upper surfaces for reflecting light to a solar panel, or may have the solar panel without the refraction surface. When the road studs initially sense a violating moving vehicle, an alert is sounded to warn the driver. If the vehicle continues to move in violation, a camera system is activated. The camera system includes solar panels, a camera lens, a light emitting flash mechanism, a distance IR sensor, and controls, all positioned on top of a vertically movable, hydraulic cylinder. The camera assembly is normally hidden underground but will rise to record images when activated by the road stud system. The images are sent to a central monitoring unit in a traffic monitoring building.

The invention discloses a dynamic track spike lamp under linkage control with an intersection annunciator and a control method of the dynamic track spike lamp. The dynamic track spike lamp comprises a column of double-face light-emitting track spike lamp bodies spaced at set intervals. Each light-emitting side face comprises red LED lamps and green LED lamps which are arranged alternately. The red LED lamps and the green LED lamps are connected with a single-chip microcomputer through control lines respectively. The track spike lamp bodies controlled by the single-chip microcomputer and the annunciator are connected with a traffic signal output port of an adjacent road. The double-face light-emitting track spike lamp bodies are laid on the two sides of a lane boundary line or zebra stripes. The dynamic track spike lamp has the beneficial effects that information of the annunciator can be displayed through the track spike lamp bodies, passing vehicles or pedestrians can judge whether to pass or not by observing track spikes on a road surface, and the situation that drivers and the pedestrians ignore observation of the lower road condition due to observation of the upper signal lamps when reaching an intersection is reduced.

A ground level illumination system such as a road stud comprises a light source (12) positioned below ground level (8). An optics block (9) and a top block (2) transmit light from the source (12) to the exterior, the light rising at a shallow angle as a collimated beam in the top block (2) to emerge at a window (4) above the ground level (8). The window (4) is shaped to refract the light into a beam (16) that descends at a shallow angle relative to the ground level (8). The emerging beam (16) may be used to illuminate road markings (26) formed from luminous paint that can be re-charged by the illumination system. A feedback mechanism (82) can measure reflected light levels to maintain the optimal “charge” in the paint. A further element (84) of the system may also compare the intensity of reflected light at different wavelengths to detect the presence of fog.

The invention relates to the technical field of long and big tunnels of expressways, in particular to a method for setting a retro-reflecting system of a long and big tunnel of an expressway. The method for setting the retro-reflecting system of the long and big tunnel of the expressway comprises the following steps of dividing the long and big tunnel into an entrance section, a transitional section, a middle section, a middle warning section and an exit section in sequence; respectively using combinations of an intermediate frequency reflective ring, an intermediate frequency side wall inducement sign, a high frequency delineator and a high frequency road stud at the entrance section and the exit section; using the combination of the intermediate frequency reflective ring, an intermediate frequency reflective stripe, the intermediate frequency side wall inducement sign, the high frequency delineator and the high frequency road stud at the transitional section; using the combination of a low frequency reflective ring, a low frequency note mark line, the intermediate frequency reflective stripe, the intermediate frequency side wall inducement sign, the high frequency delineator and the high frequency road stud at the middle section; continuously arranging two colored reflective rings as the middle warning section in the middle section; and arranging rhythm type information, the colored reflective ring and a colored reflective stripe on the side wall as a fatigue awakening area every three warning sections. The method for setting the retro-reflecting system of the long and big tunnel of the expressway is applied to expressway tunnels with limited speeds of 60-80 km / h and lengths of larger than 1000 m.

The invention relates to a solar spike nail with synchronous scintillation, comprising a solar battery pack, an LED lamp, a shell, a super capacitor and a control circuit. The spike nail is also provided with a microprism full reflector. The solar battery pack is arranged at the upper part of the shell to form the upper top surface of the shell; the lower part of the shell is provided with the super capacitor; the microprism full reflector is arranged on the side surface at the upper part of the shell; the LED is arranged in the shell and irradiates under the action of the control circuit; therefore, the spike nail can reflect light beam in all directions under the irradiation of vehicle light, which is convenient for recognition and view and carrying out road indication, thus greatly improving the safety guide function of the spike nail.

The invention discloses an intelligent pedestrian crossing detection system. The system comprises a thermal imaging camera, a video analysis module, a microprocessor module, and a spike warning module. The thermal imaging camera inputs a shot video into the video analysis module for analysis, a pedestrian movement track and a vehicle movement track are acquired, and the microprocessor module judges whether a pedestrian crosses a road or not according to the pedestrian movement track, judges whether the distance between a vehicle and the pedestrian is within a preset range or not according to the vehicle movement track at the same time, and controls the spike warning module to generate lamplight with colors flickering alternately when the pedestrian crosses the road and the distance betweenthe vehicle and the pedestrian is within the preset range. According to the invention, passing-by pedestrians can be detected, the pedestrians are warned when the pedestrians are in a dangerous state, the hidden danger of traffic accidents is eliminated, the traffic accidents are avoided, and the safety guarantee is provided for the passing-by pedestrians.

The invention relates to a ballast bed at level intersection of railway and highway and a preparation method thereof, including the base and concrete pavement, characterized in that the concrete pavement bed is formed by splicing more than one block track plate unit, wherein each block track plate unit is a rectangular track plate, comprising a reinforcing bar cage, a patterned mesh plate welded above the reinforcing bar cage, a rail bearing groove arranged in the reinforcing bar cage, a threaded spike, an insulating sleeve and a concrete layer. The preparation method comprises the following steps of: ramming and leveling the base with fine crushed stone and dry-mixed cement mortar; directly lifting the partitioned track plate unit on the base; and fixing the partitioned track plate unit on the base by concrete to form a complete highway or railway ballast bed. Compared with other types of ballast beds, the ballast beds have the advantages of strong bearing capacity, high strength, noteasy to be eroded and destroyed by water, zero maintenance and cost economy, and can adapt to the changes of line parameters, such as curve radius, super-high, sinking slope and widening, and so on.The ballast beds are stable, durable and have a service life of more than 15 years.

Apparatus for an Inductive power transfer system, particularly adapted for lighting systems such as road studs, includes a pick-up core (12) having a flange portion (30), and a receiver (20) which includes a recess (25) for locating a primary conductor (26).

The invention discloses a highway high-speed rail transit system, which comprises a lane and a vehicle-mounted driving controller. Multiple guiding track spikes are arranged at intervals on the central line of the lane; two sides of the lane are provided with navigation track spikes; distances between the navigation track spikes at two sides of the lane and the central line of the lane are the same; the vehicle-mounted driving controller is connected with a traversing mechanism and an electronic control unit of the vehicle via a CAN bus; the vehicle-mounted driving controller can transmit radio signals to the guiding track spikes and the navigation track spikes at two sides of the lane and receive radio signals fed back by the guiding track spikes and the navigation track spikes at the two sides. The problem of traffic accidents caused as the existing highway lane marking line and the iron fence are influenced by human factors and weather visibility factors due to an optical reflection principle can be solved fundamentally, the driving speed is greatly improved, safety performance is enhanced, and the investment cost of highway construction is reduced.

A railway spike for connecting an associated metal member with an associated wood member includes a head including an annular flange and a standoff extending axially from the flange. An intermediate section extends axially from the standoff. At least one holding ring is disposed on the intermediate section. The at least one holding ring extends radially away from the intermediate section and is adapted to engage the associated wood member. A shank extends axially from the standoff. The shank includes a thread which is adapted to engage the associated wood member.

The invention discloses a long and steep downgrade energy dissipation deceleration road surface and a construction process thereof. A deceleration region I formed by three thermoplastic protruding vibratile mark lines perpendicular to the traveling direction, a deceleration region II formed by 1-3 hump-type bitumen concrete base deceleration bands perpendicular to the traveling direction and a deceleration region III formed by 1-2 sections of deceleration road studs are arranged in the traveling direction of the energy dissipation deceleration road surface in sequence. The construction process of the long and steep downgrade energy dissipation deceleration road surface mainly comprises the steps of road surface pretreatment, mounting road section drawn line, mounting and maintaining deceleration facilities and the like. According to the invention, the deceleration region I mainly plays a role of reminding a driver to decelerate; the deceleration regions II and III mainly play a role of forcibly decelerating, and meanwhile can eliminate the driver's vision fatigue and torpor, as a result, the driver is prevented from immediately accelerating after just deceleration, the purpose of long-distance speed control is realized, the deceleration road surface does not damage vehicles, acceleration facilities are durable, the construction process is simple, and the cost is low.

The invention discloses a telescopic light-variable warning track spike. An inner shell is arranged in an outer shell in a sleeving way, wherein a seal ring is mounted between the outer shell and the inner shell; a compression spring is mounted between the bottom of the outer shell and the bottom of the inner shell; the inner shell can move up and down in the outer shell under the actions of the outer force and the compression spring; a transparent cover is fixedly mounted at the top end of the inner shell and is exposed out of the top end of the outer shell; a single-chip microcomputer controller is mounted in the transparent cover and is fixed on the inner wall; a storage battery is mounted below the single-chip microcomputer controller and is fixed in the inner shell; a solar cell panel is mounted above the single-chip microcomputer controller and below the transparent cover and is fixed on the inner shell; a color changing LED (Light Emitting Diode), a sensitimeter and an antenna are mounted above the solar cell panel and below the transparent cover; one end of each of the color changing LED, the sensitimeter and the antenna is connected to the single-chip microcomputer controller; the single-chip microcomputer controller comprises a wireless signal transmitting module, a wireless signal receiving module, a color changing LED control module and a storage battery charging control module; an action spring piece is fixedly connected to a micro switch.

A raised pavement marker detector on a paint truck to detect the interruption of line striping for raised pavement markers, including a housing attached by a bracket to a carriage of the truck. The housing includes a rear shaped body having a first plurality of openings extending therethrough. Each of the first plurality of openings contains a retro reflector sensor and each sensor has a housing containing a transmitter and a receiver. A rear cover closes the first plurality of openings through the rear shaped body to protect the sensors. A front body contains a second plurality of openings extending therethrough and mounted to the rear shaped body whereby the second plurality of openings extending through the front body overlaps the first plurality of openings through the rear rectangular shaped body so as to receive a lens portion of each retro reflector sensor within the first plurality of openings.

The invention discloses a tunnel back reflection illuminating system setting method based on train speed control and train distance keeping. The method comprises the steps of: arranging tunnel side walls, red and white facade marked lines on lower edges of curbs, and road surface raised pavement markers on road sides to form a space high-frequency vision information stream; secondly, arranging a plurality of layers of outline markers on the tunnel side walls at intervals of 25-50m in an advancing direction, arranging side wall vertical marked lines and extending to the top of a cave, transversely arranging transverse wrong vision marked lines on the road surface to form a space medium-frequency vision information stream; and then arranging two white folded lines and vibration marked lines on the road surface every 3 medium-frequency transverse marked lines at intervals of 100-200m in the advancing direction, and arranging two white folded lines on the side walls to form a space low-frequency vision information stream. Multiple channels of frequency vision systems are made of a high-strength back reflection material, so that a back reflection illuminating system is formed, perception of velocity and perception of distance of a driver are effectively improved, thus the integration of tunnel illuminating benefit and tunnel safety is achieved. The tunnel back reflection illuminating system setting method can be applied to tunnel illumination of low-light expressways with speed limit of 60-80km / h and traffic safety facility improvement.

The anticorrosive wear-resistant spiral dog nail is made of Q235A carbon steel and has composite surface infiltration layer of Fe3O4 and Fe2-3(N-C) in thickness over 18 micron and surface hardness of HV660-HV834. The production process includes the steps of machining dog nail blank, cleaning the blank, heat treatment in furnace and cooling in the furnace, and the atmosphere inside the furnace including ammonia, CO2 and N2 in certain proportion. After the surface treatment, the dog nail has continuous, compact and homogeneous surface protecting layer, excellent anticorrosive capacity and greatly prolonged service life similar to that of sleeper.

The invention discloses a parking space detection and light-induced parking system and method, and belongs to the technical field of parking management. The system comprises a server platform, a LoRa wireless communication module, a gateway, geomagnetic sensing spikes, light guide spikes and a photosensitive sensor. The geomagnetic sensing spikes and the light guide spikes establish communication with the gateway through the LoRa wireless communication module, and the gateway establishes communication with the server platform through the 4G transmission module; the geomagnetic sensing spikes are arranged in each parking space in the parking lot; the light guide spikes are mounted at the entrance of each parking space and the entrance of a horizontal row of parking spaces; the photosensitive sensor is carried on the gateway to detect the light intensity; and according to the invention, when the light of the parking lot is poor at night, the light guide spikes in the parking lot can be used for guiding, and a driver can quickly find an idle parking space by checking the bright green light guide spikes, so that the running efficiency of the parking lot at night is improved.

The invention belongs to the technical field of road traffic safety, and particularly relates to a traffic anti-collision warning system with dynamic display, the system comprises an intelligent sidewalk auxiliary system, a water level monitoring and early warning system, a road icing early warning system, a retrograde driving early warning system, a height limit early warning system, a speed limit early warning system, a curve early warning system and a haze early warning system. The traffic early warning system is subjected to clustering management, and while the running state of the traffic sign is monitored, the sensor can detect potential traffic hidden dangers in the first time, an early warning mode is started on site, and signals are transmitted back to a monitoring center and district branch management personnel of the traffic sign according to the preset threshold value of the danger level; the intelligent sidewalk auxiliary system comprises a wireless networking module, a system control module, a pedestrian track detection module, a solar power supply module, a point-surface combined luminous signboard, zebra crossing wireless networking type embedded pressure-resistant spikes, road extension upper embedded wireless networking underground lamps, a sidewalk intelligent light supplementing module and a cloud warning system.

The invention provides a research method for arranging an energy storage type long afterglow self-luminous spike on a rural highway. The research method comprises the following steps: (1) establishinga normal working state of the spike; (2) actually measuring a light distribution curve; (3) generating an IES file (simulation lamp model); (4) importing the IES file into DIALux illumination simulation software; (5) extracting a preliminary layout scheme, and utilizing UC-win / Road to carry out optimal driving simulation; and (6) performing field layout verification. The method has the advantagesthat the optical physical quantity of the spikes in the actual working state is actually measured, and a layout scheme is quantitatively researched; a spike is assumed to be a lamp, a corresponding simulation lamp model is generated, lamp illumination simulation software is used for layout research, and the modeling method is simplified; optimizing each group of preliminary layout schemes by using a driving simulation system in combination with the experience of a driver and the driving psychology; and a field layout test is carried out to visually inspect the feasibility of the scheme.

The invention discloses a full-automatic safety spike construction vehicle. Vehicle body and control system, the vehicle body is provided with a camera used for shooting the position of a lane indication line on the road surface. The vehicle body is further provided with a sequencing conveying mechanism, a drilling mechanism, a nail taking mechanism and a hammering mechanism. The camera, the sequencing conveying mechanism, the drilling mechanism, the nail taking mechanism and the hammering mechanism are electrically connected with the control system. Wherein the drilling mechanism is used fordrilling holes in a road surface along a lane indication line, the sorting and conveying mechanism is used for sorting safety spikes and orderly supplying the safety spikes, the spike taking mechanismis used for grabbing the safety spikes from the sorting and conveying mechanism and inserting spike rods on the safety spikes into the drilled holes, and the hammering mechanism is used for hammeringthe safety spikes to stabilize the safety spikes on the road surface. The invention further discloses a construction method for the safety spikes by adopting the full-automatic safety spike construction vehicle. The construction method has the characteristics that the batch construction speed is high, the safety spike mounting distance is stable, manpower and material resources can be saved, andthe construction period is shortened.

The invention provides a vehicle-road cooperative programmable telescopic spike and a warning method. The vehicle-road cooperative programmable telescopic spike includes a main body control part, a shock absorbing spring and a base. The main body control part includes a shell, a reflective strip, a sealing ring, a photosensitive sensor, a main control board and a programmable LED lamp. The warningmethod based on the vehicle-road cooperative programmable telescopic spike controls a light emitting mode of the programmable LED lamp through sensitive external environment, and realizes the function of intelligently guiding and warning vehicles under different environment and requirements with the cooperation of the reflective strip. Meanwhile, the damage to tires is reduced and the service life of the spike is prolonged through sinking buffer design.

The present invention incorporates to a new temporary, reusable, retroreflective, raised pavement marker design. The pavement marker utilizes a water soluble, adhesive embedded in a fibrous base material for application to the pavement. This temporary adhesion method allows the pavement marker to be reused after removal from the pavement. The semispherical shape of the marker provides increased lateral stability. The recesses on the top surface of the marker protect the retroreflective microspheres from loss of retrorefectivity from vehicular abrasion. The round shape also allows the marker to be used to form arrows and other pavement markings.

The invention relates to an on-road safety traffic island based on danger grade division. The traffic island is divided into a traffic island with the first-grade danger grade, a traffic island with the second-grade danger grade and a traffic island with the third-grade danger grade in sequence according to the vehicle speed.Each of the three traffic islands comprises a buffer anti-collision island head, a safety island body and a traffic island base, a traffic sign support rod is fixed on the safety island body, and a right road driving sign is fixed at the top end of the traffic sign supportrod; yellow-black vertical surface marked lines are drawn or pasted on the outer surfaces of the traffic island base, the buffer anti-collision island head and the edge of the safety island body; reflective glass spikes are arranged at the top end of the arc area of the traffic island base. Danger grading is carried out on the traffic island on the road according to different vehicle speeds and collision risks, then different protection and warning induction grades are carried out according to the danger grading, and the safety of pedestrians, drivers, vehicles and traffic island facilities can be effectively guaranteed.

The invention discloses a dynamic regulation and control method for a special lane for network-connected vehicle based on permeability. The method comprises the following steps of: 1, acquiring the total number of vehicles entering each lane and the number of network-connected vehicles in a current time period; 2, judging whether a special lane for the network-connected vehicle needs to be set in the current time period; 3, judging the lane number of the special lane for the network connection vehicle in the current time period through an algorithm; 4, sending the serial number of the special lane for the network-connected vehicle to the network-connected vehicle in the road section, and meanwhile controlling the intelligent light-emitting spikes on the corresponding lane marking lines to emit light; and 5, circulating the steps, and judging the lane number of the special lane for the network connection vehicle in the next time period. According to the invention, the position of the special lane for the network-connected vehicle can be dynamically selected in real time according to the network-connected vehicle permeability of each lane, the necessary lane changing times of the vehicles are reduced, the lane changing conflicts among the vehicles are reduced, and the traffic flow operation safety and the traffic flow operation efficiency are improved.