163results about How to "Will not affect traffic" patented technology

The invention provides a method and a system for measuring speed of moving targets, which aims to solve slow response and other problems of the prior speed measurement method. The method comprises the steps of utilizing the basic principles of projective geometry, determining pixel coordinates in images and the coordinate mapping relation of pixels in real space through a camera calibration technique, utilizing the mapping relation to detect sequence frame images acquired by cameras, calculating the coordinates of the moving targets in the images in the real space, obtaining the motion curves of the moving targets in the real space through target tracking and then estimating the speed of the moving targets. The speed measurement method based on camera calibration has the advantages of fast response, large amount of detected information and capability of estimating the speed of all vehicles within a monitoring range in real time. Moreover, as the speed measurement of vehicles can be realized by utilizing the cameras, the method is easy to implement, lower in cost and easy to popularize and apply.

The invention relates to a road traffic state detecting device based on omnibearing computer vision, comprising shooting devices and a microprocessor, wherein the shooting devices are installed on all measuring points in all roads in a road network; the microprocessor is used for evaluating the road traffic state according to the video data of the shooting devices and comprises a full-view image obtaining unit, a road service capability customizing unit, a road service level self-learning unit, a road service level judging unit, a detecting data processing unit and an artificial checking unit. The road traffic state detecting device based on omnibearing computer vision has wide detecting range, high detecting precision, good detecting instantaneity, convenient application, visual and clear detecting result, subjective sensitivity index data and objective evaluation index data and is convenient for all grades of road networks of a city to carry out comprehensive evaluation on the road traffic state in time and space.

The invention discloses a road traffic condition detection device based on panorama computer vision, comprising a camera device of each measuring point and a microprocessor, wherein the camera device is installed on each road on a road network; the microprocessor is used for evaluating road traffic condition according to the panorama video data of the camera device; and the microprocessor comprises a panorama image acquisition unit, a sampling point, a lane, a lane driving direction customization module, a road congestion state detection module and a road service level judgement module. The invention provides a road traffic condition detection device based on panorama computer vision, which has the advantages of wide detection range, high detection precision, good detection instantaneity and intuitional and clear detection result, is convenient to implement and is convenient to realize on an embedded system; in addition, the road traffic condition detection device has subjective perceptibility index data and objective perceptibility congestion data, and is convenient for each level of road network of a city to comprehensively evaluate the road traffic condition on the aspect of time and space.

The invention discloses a light-weight holographic road traffic state visual inspection device comprising visual sensors installed at measuring points in each road on a road network, and a microprocessor for analyzing and evaluating the road traffic state according to video image data of the visual sensors. According to the invention, a point replacing surface type video image detection method is adopted to reduce spatial redundancy; an accurate background update strategy based on sampling points is adopted to realize a light-weight, accurate and efficient background update method; and at the same time, the detection of road traffic jam and the detection of various of traffic basic parameters can be completed.

The invention discloses a shallow-earthing, large-section and small-distance construction method for a rectangular pipe jacking overpass subway tunnel and relates to the field of pipe jacking construction. The method comprises the steps that firstly, the weight of soil planed to be excavated is calculated according to the reconnaissance report result, meanwhile, the weight of a concrete pipe joint is calculated, the number of applied balance weights is estimated according to the difference between the weight of the soil and the weight of the concrete pipe joint, and corresponding concrete balance weights are prepared; the deformation condition of the lower subway tunnel is monitored in real time during pipe jacking tunneling, when protruding deformation is approximate to an early warning value, the balance weights are started to be applied in a pipe jacking channel, and meanwhile deformation of the subway tunnel continues to be monitored; along with further advancing of the pipe jacking tunnel, the positions of the originally applied balance weights are kept unchanged, according to the actually measured protruding deformation value of the subway tunnel, when the protruding deformation is approximate to the early warning value, the balance weights are started to be applied to the position, corresponding to the maximum protruding deformation, in the pipe jacking channel; after all the pipe jacking construction is completed, the balance weights are withdrawn step by step. The technical aim that under the condition that grouting reinforcement, open cutting, water lowering and other measures cannot be taken, when the subway tunnel is operated in the mode of shallow underground excavation large-section rectangular pipe jacking close-range upward penetrating, the protruding deformation of the lower subway tunnel is controlled is achieved.

The invention relates to an access control device and a fast face recognition authentication access method of adopting the same. An access control system is arranged in an access control system installation device. According to the access control system, a user identity card is read by adopting a certificate reading device and matched with human face image information read by a human face recognition vidicon for user use registration, so that user and certificate-unified self-service registration is achieved and the user and certificate-unified identity card registration step is quickly and accurately completed. A human face recognition camera is adopted by the human face recognition vidicon, so that accurate and fast access is achieved, the human face recognition camera is suitable for large-people flow and multi-frequency access and the people flow in unit time is improved; and recognition is carried out according to the change of ambient light during human face recognition for adjusting supplemental lighting or shading, so that the recognition rate is improved. The problem of absence of a visitor record due to the fact that a user illegally passes through access control is reduced and the use security is greatly improved.

The invention discloses an LED street lamp superheat protecting method. The method involves providing a lamp body, a heat conducting substrate, an LED bulb on the heat conducting substrate, a power supply equipment and a control circuit. A temperature sensor is provided inside the lamp body of the LED street lamp. The electric current supply is reduced to a proper degree by the control circuit when the temperature of the lamp body reaches a pre-set temperature value, and a normal electric current supply is resumed by the control circuit when the temperature of the lamp body recovers below the pre-set value.

The invention provides an under-construction tunnel surrounding rock deformation automatic monitoring device comprising universal measuring devices (1), transmission cables (3) connected with the universal measuring devices, a server (4) arranged at the upper ends of the transmission cables (3), and monitoring point locations (2) distributed on a tunnel surrounding rock wall. The server is erectedin a duty room on the outside of the tunnel and issues work orders to the universal measuring devices (1) via the transmission cables (3); the universal measuring devices (1) measure monitoring and measurement data of monitoring point locations (2) at designated positions of the tunnel section. By measuring the distances between laser displacement sensors and the monitoring point locations and the self rotation angles thereof, the tunnel surrounding rock deformation can be calculated to achieve automatic monitoring of surrounding rock deformation, the workload of tunnel monitoring and measurement can be reduced and the working efficiency of monitoring and measurement is increased.

The invention relates to a traffic collection system based on video monitoring, and the method comprises the steps: detecting the traffic flow of a road through the image processing and recognition technology and a video signal; achieving the automatic statistics of the number of motor vehicles running on a traffic road segment and the calculation of the running speeds through the real-time detection of the traffic condition information of the road and various types of behaviors of traffic targets, thereby achieving the monitoring of the traffic condition information of the road; building a road network scheduling system through the real-time data collected by a traffic flow monitoring system; issuing the collected traffic flow information through an LCD screen. The method provides the real-time road conditions, and achieves the guide of vehicles to pass reasonably.

The invention relates to a reinforcing and repairing measure for existing concrete box girder bridges, and discloses a method for actively reinforcing a large-span concrete box girder bridge web plate, comprising the following steps: (1) according to the structural parameters of the concrete box girder bridge and by adopting a structural analysis method and corresponding general or special analysis software, a finite element model of a simulated reinforced plate shell concrete box girder bridge is established, thus obtaining the magnitude of the main pulling stress, the vertical stress, the longitudinal stress and the shearing stress of the box girder web plate before reinforcement and the distribution rule thereof; (2) the difference between the main pulling stress and the limited value allowed by the 'Standard' is compared to obtain the target increment value of the vertical stress of the bridge girder, and the actual reinforcement parameters are determined according to the target value; (3) drilling is carried out on the upper margin and the lower margin of the concrete box girder web plate, steel strands are installed and transversally stretched; (4) a wedge block A is used for jacking up the steel strands, then a jack is used for jacking up and pulling the steel strands to the allowed tensioning force, and the steel strands are tensioned one by one; and (5) crack is mended.

The invention belongs to the technical field of repair and maintenance of bridges, and particularly relates to a door connected bridge maintenance car which comprises an upper lateral combination (1), wheeled walking cars (2), beams (3), vertical truss mechanisms (4), rotating devices (5), bottom detection platforms (6), jacking oil cylinders (7), walking mechanism longitudinal beams (8), vertical truss longitudinal beams (9), telescopic frames (12), surrounding frames (13), connecting oil cylinders (15), frame longitudinal beams (16) and chain wheel driving devices (17). According to the door connected bridge maintenance car, walking cars of two sides are connected with the upper lateral combination through flanges to form a portal frame structure, the bridge maintenance car can stably walk on a bridge floor by the aid of telescopic butting technique of the bottom detection platforms and collision avoidance technique of bridge side barriers, the maintenance car can rapidly avoid the barriers of bridge sides and bridge piers, lanes cannot be occupied, bridge traffic cannot be affected, the maintenance car is high in applicability and simple to operate, and working efficiency of the maintenance car is improved.

The invention relates to the technical field of intelligent household equipment, in particular to an outdoor storage box connected with an intelligent household management system. The outdoor storage box comprises a bearing plate, a connecting plate, a storage bag, a locking part, a buckling part, a bearing frame and two hinge rods; the left end and the right end of the bearing plate extend towards the two sides of the bearing plate respectively to form two auxiliary plates, and the locking part is arranged at the upper end of the bearing plate; one end of each of the two hinge rod is hinged to the lower end of the corresponding auxiliary plate, and the other end of each hinge rod is hinged to the upper end of the connecting plate; the bearing frame is arranged at an opening of the storage bag in a sleeving mode and connected with the opening of the storage bag, the middle of the storage bag is located between the two hinge rods and connected with the two hinge rods, two ends of the bearing frame are hinged to the lower ends of the two auxiliary plates respectively, and the bearing frame is provided with the buckling part. The bearing plate is connected with the connecting plate through the hinge rods, the bearing frame is connected with the opening of the storage bag to form a box body capable of storing articles, and the household intelligent article storage box and a monitoring unit have the advantages of being convenient to use, small in occupied space, simple in structure, low in production cost and high in safety.

The invention discloses a three-dimensional cargo conveying system. The three-dimensional cargo conveying system comprises a planar logistics channel, a longitudinal receiving-sending channel and a cargo conveying rail truck, wherein a direct-flow rail and a back-flow rail are arranged at the top of the planar logistics channel; the direct-flow rail and the back-flow rail are both provided with power transmission slide grooves; the longitudinal receiving-sending channel is vertically installed at the top of the planar logistics channel and provided with a compartment vehicle lifter and a compartment vehicle stop; the cargo conveying rail truck comprises a cargo conveying compartment, a suspension driving frame and a moving current collector; the moving current collector is installed at the top of the cargo conveying compartment and provided with an elastic stress rod; and the elastic stress rod is matched with the power transmission slide grooves. According to the three-dimensional cargo conveying system disclosed by the embodiment, all users are mutually communicated through the planar logistics channel and the longitudinal receiving-sending channel, cargos among all the users can be conveniently moved, the cargo conveying rail truck orderly and circularly runs in the logistics channel and rapidly conveys the cargos bought by people online to homes, urban traffic and community management cannot be influenced, and other safety problems are avoided. Therefore, the three-dimensional cargo conveying system is reasonable in structure, and convenient for living of people.

The invention discloses an underwater inclined pulling type suspension tunnel structure. An underwater suspension tunnel, a pair of bank docking structures, an inhaul cable anchoring system, a buoyantweight ratio adjusting system, an anti-collision warning system and an escape system are included. A pair of bank docking structures are located on bank slopes on the two sides correspondingly and connected between the two ends of the underwater suspension tunnel and a pair of land area slope tunnels. The underwater suspension tunnel is formed by connecting a plurality of sections of pipe joints.A both-way single cable face or both-way double cable faces are adopted in the inhaul cable anchoring system, and four inhaul cable receiving wells, four inhaul cable steering piers, an inhaul cablerampway and a plurality of stay cables are included. The buoyant weight ratio adjusting system comprises a tunnel pipe joint inner buoyant weight ratio adjusting device and a bank docking structure inner buoyant weight ratio adjusting device. The anti-collision warning system comprises a warning float device and an underwater warning anchor cable device. The escape system comprises an automatic alarming system, an escape time delay system and an escape path. The underwater inclined pulling type suspension tunnel structure is more reasonable in stress, and influences from construction period unfavorable sea conditions are lowered.

The invention discloses bidirectional road monitoring equipment, belongs to the technical field of monitoring equipment, and solves the problem that cost and maintaining difficulty are increased due to the fact that road monitoring devices are arranged on two sides of a road in the prior art. The bidirectional road monitoring equipment comprises a vertical rod and is characterized in that a connecting rack is mounted at the top of the vertical rod, a rotating device is arranged between the connecting rack and the vertical rod, movable rack rods are connected to the connecting rack, a central rotary rod connected with the center of the rotating device is mounted in the vertical rod, a clamping device is connected to the central rotary rod, a belt wheel is mounted at each of the top and thebottom in the vertical rod, a conveying belt is mounted on the belt wheels, a clamping fastener is connected to the conveying belt, a shield shell sleeves the lower end of the vertical rod, a rotary bottom plate is connected to the bottom of the vertical rod in the shield shell, the shield shell is communicated with a transmission case, a rotary handle plate is mounted in the transmission case, ahandle middle rack is connected below the rotary handle plate, and a transmission belt is connected between the handle middle rack and the vertical rod. The bidirectional road monitoring equipment issimple and efficient in maintenance operation.

The invention discloses a method and device for performing live broadcasting, belonging to the technical field of computers. The method includes the following steps: determining a first song to be sung corresponding to a target live studio, determining at least one anchor account in the target live studio, sending a singing competing notification and song information of the first song to a login terminal of the at least one anchor account, when a singing competing request sent by the login terminal of a first anchor account in the at least one anchor account is received, if the singing competing requests sent by the login terminals of other anchor accounts except the first anchor account in the at least one anchor account are not received, sending a singing competing success notification to the login terminal of the first anchor account, receiving first audio and video data sent by the login terminal of the first anchor account, and sending the audio and video data to the login terminal of each account in the target live studio. By adopting the method and device disclosed by the invention, the visitor volume of the live studio cannot be affected.

The invention discloses a coating sand mill for producing an environment-friendly and low-carbon coating. The coating sand mill comprises a base and a milling barrel. An installation support is connected with one side of the base and provided with the milling barrel. The milling barrel is provided with a feed inlet, a discharge outlet and a cooling sleeve. Milling beads, a rotating shaft and a screen net are arranged in an inner cavity of the milling barrel. The screen net blocks the inner side of the discharge outlet. A belt wheel is connected with the inner end of the rotating shaft and connected with a driving device. The rotating shaft is provided with milling discs. A centrifugal wheel is arranged at the outer end of the rotating shaft. The inner end of the centrifugal wheel is fixedly connected with the rotating shaft. A cylinder is arranged at the outer end of the centrifugal wheel. Engraved holes are evenly formed in the side wall of the cylinder. The outer end of the centrifugal wheel blocks the inner side of the screen net. The coating sand mill has the advantages that the milling beads can be prevented from blocking the screen net in the working process, and milling efficiency can be greatly improved.

Provided is a key distribution method of applying link security technology to an Ethernet passive optical network (EPON). An optical line terminal (OLT) and an optical network unit (ONU) respectively generate first random values and exchange the first random values with each other. The OLT and the ONU generate a pairwise master key (PMK) based on the exchanged first random values and a pre-distributed master key using a hash function. The OLT and the ONU respectively generate second random values and exchange the second random values with each other. The OLT and the ONU generate a temporary key based on the exchanged second random values, respective media access control (MAC) addresses of the OLT and the ONU, and the PMK using the hash function. Therefore, keys can be safely distributed over the EPON without using a separate secure channel.

The invention belongs to the technical field of bridge supports and discloses a height adjustment support and a technique for utilizing the height adjustment support to adjust height. The invention has the main technical characteristics that the height adjustment support comprises an upper seat plate, a rubber bearing plate and a base basin; the base basin is provided with injection agent pipelines with a valve; the injection agent pipelines are connected with an injection-moulding machine by a check valve, a throttle and a flow divider; the injection agent pipelines are internally poured with bicomponent polyurethane rubber are two or more than two; and the injection-moulding machine is connected with a hydraulic sensor. The height adjustment support can lead the height of the girder to reach conformity or meet design requirements by adjusting the height, can adjust height in a stepless and multiple times manner, can measure load force, has simple and convenient construction in the processes of leveling, measuring force and adjusting height, does not need large machines and other jacking equipment and can adjust height with dynamic load.

The invention relates to a vehicle model recognition method based on infrared structured light, and belongs to the technical field of intelligent transportation. The method comprises the following steps: (1) acquiring structured light imaging data through an infrared grating projector-camera device; (2) calculating the 3D contour information of a detected vehicle according to the structured light imaging data; and (3) using a support vector machine multi-classification approach to carry out classification according to the 3D contour information of the detected vehicle so as to recognize the model of the detected vehicle. The method has the advantages of accuracy, quickness, high data spatial resolution, a small amount of calculation and the like, and can improve the accuracy of vehicle model recognition and ensure the real-time performance. The structured light imaging data is acquired by an infrared grating, which causes no visual pollution to drivers, is advantageous to the driving safety of drivers, and is not easily influenced by light factors. The device is simple in installation, can be installed without destroying the road, and is low in maintenance cost. No construction on the driveway pavement is needed for camera or probe installation, and detector replacement, adjustment and movement do not affect the traffic.

The invention discloses a high voltage power transmission and distribution cable road-crossing machine tool and a cable erecting method. The high voltage power transmission and distribution cable road-crossing machine tool includes a stay wire tension device, a laying tension mechanism, a quick tensioning mechanism, a lead ejection device, a cable pulling rope and at least two wire erecting brackets, wherein a lead and the cable pulling rope are sequentially connected with the cable through a mouse-type wire connector; each wire erecting bracket includes a base, an upright and a wire erecting cross rod. According to the invention, compared with the prior art that the tool needs at least 5 persons for cable erecting, while the machine tool provided by the invention only needs 2 operators and the time consumed is only one fourth of the time consumed in the prior art, more importantly, the lead, the pulling rope and the cable are suspended all the time, thereby not influencing road transportation at all.

The invention provides a suspension bracket system for existing bridge reinforcing and a building method of the suspension bracket system. The system comprises a wing plate, a suspension rod (1), a cross beam (2) and a scaffold plate (3), wherein the wing plate passes through an I-shaped beam (9) through a bridge deck (7); one end of the suspension rod is fixedly arranged on the bridge deck (7) and the other end of the suspension rod is suspended below the bridge deck (7); the cross beam (2) is fixedly connected with the other end of the suspension rod (1); and the scaffold plate (3) is paved along the longitudinal direction of the bridge deck (7) in a manner of supporting by using a cross beam (2). The suspension bracket system has a simple structure; and the suspension bracket system does not influence traffic on the bridge deck and below the bridge when the bridge is maintained. The construction method of the suspension bracket system is rapid and convenient and does not cause traffic stop.

The invention relates to a soil non-excavation grounding resistance reduction method, in particular to a non-excavation project resistance reduction technology. The soil non-excavation grounding resistance reduction method is characterized in that two layers of horizontal resistance reduction ground screens are arranged on the grounding soil; one layer of the horizontal resistance reduction ground screen is arranged on the soil surface to form a surface ground screen, and the other layer is located in the underground soil layer with the soil resistance smaller than 300 ohm meters to form an underground ground screen; the surface ground screen is steel fabric; the underground ground screen is formed by spraying a resistance reducing agent into the soil through holes formed on the pipes laid by a directional drilling non-excavation pipe laying method so as to bind with the soil; and the surface ground screen is connected with the underground ground screen through a vertical grounding connection wire. The non-excavation resistance reduction method provided by the invention does not affect the traffic nor destroy the environment, and has the advantages of short construction period, low comprehensive cost, significant resistance reduction effect, and high social and economic value.

The invention discloses a spanning type bridge maintenance system which comprises two travelling mechanisms, two maintenance trolley frames and a maintenance platform. The two travelling mechanisms as well as the two maintenance trolley frames are arranged on the two sides of a bridge oppositely. The maintenance trolley frames travel through the travelling mechanisms. The maintenance platform is arranged between the two maintenance trolley frames in a spanning mode. Since pre-buried barrels are arranged in the bridge in advance, support suspension arms can be directly inserted into the pre-buried barrels for paving travelling sleepers when the bridge needs to be maintained, the traveling sleeps are paved on the two sides of the bridge and do not influence passing of pedestrians and vehicles. If bridge piers exist in the maintenance process, an operating platform is made to slide towards one side of a supporting device through linear sliding devices so as to recede for the bridge piers; and after the operating platform spans the bridge piers, the bridge can be maintained as long as the operating platform is made to slide reversely and restored in position, and by adoption of the spanning type bridge maintenance system, the trouble that a maintenance device needs to be dismounted when the bridge piers exist in the maintenance process is avoided.

The invention relates to a household intelligent article storage box and an article storage and reception system. The household intelligent article storage box comprises a fixed plate, a moving plate, a bag, an electronic lock, a fastener, a fixing frame and two connecting rods. The left end and the right end of the fixed plate extend to one side of the fixed plate to form two side plates. The electronic lock is mounted at the upper end of the fixed plate. One end of each connecting rod is hinged to the lower end of the corresponding side plate, and the other end of each connecting rod is hinged to the upper end of the moving plate. The fixing frame sleeves the mouth of the bag and is connected with the mouth of the bag. The middle of the bag is positioned between the two connecting rods and is connected with the connecting rods. Two ends of the fixing frame are hinged to the lower ends of the side plates respectively. The fastener is mounted on the fixing frame. The fixed plate and the moving plate are connected through the connecting rods, and a box body capable of storing articles is formed through connection between the fixing frame and the mouth of the bag. The household intelligent article storage box and the article storage and reception system have the advantages of convenience in use, small occupied space, simple structure, low production cost and high safety.

The invention relates to an air-pressure tunneller for breaking concrete tube, which has a head and a knife disk its front. It is characterized in that: said head is a wheel head with central cut and said knife disk is a wheel knife disk with a central cut and mounted with several rotational hob cutters, while their inner diameters are larger than the outer diameter of concrete tube; the invention has one air-pressure room connected to the air compressor while its front and back parts are both mounted with air locker. The inventive improvement comprises: the back of main body is fixed with the air-pressure room and the semi-shield machine via pins; the semi-shield jack is fixed with several back new tubes via pins; the invention also contains discharge tube that extending in the concrete tube and through the main body, air-pressure room and the semi-shield machine. The invention also provides a relative method to refresh the concrete tube. With said invention, workers can enter into the tube.

The invention discloses a method for cleaning a polymer on the side wall of an etching chamber and a contact hole forming method. The method for cleaning the polymer on the side wall of the etching chamber comprises: introducing a gas into the etching chamber, and setting a preset working frequency; and reducing the power of the etching chamber whole the cleaning time increases, and obtaining theoptimal thickness of the polymer on the side wall of the etching chamber. In the invention, the line width of a contact hole formed in the etching chamber reaches a target size.

The invention discloses a vehicle ultrahigh anti-collision device for a bridge and a tunnel. The device comprises a road surface, the left side and the right side of the road surface are symmetricallyand fixedly connected with a first column body and a second column body which are vertically arranged, the side wall of the upper end of the second column body is fixedly connected with a first wireguide wheel, and a third column body is fixedly connected to the road surface located on the same side of the second column body; the side wall of the upper end of the third column body is fixedly connected with a mounting frame, and a second wire guide wheel is fixedly connected to the bottom of the mounting frame; a mounting base is fixedly arranged on one side of the third column body, and a mounting block is welded at the upper end of the mounting base; a rotating base is fixedly installed at the upper end of the mounting block, and a gate rod is rotationally connected to the upper end ofthe rotating base. According to the device, an ultra-high vehicle can be monitored and blocked, so that the bridge and the tunnel are protected, the bridge and the tunnel can be prevented from being scratched or collided and damaged, the safety of personnel in the vehicle is higher, the influence on traffic is small, and the use is more convenient.